C. S. Lewis's The Discarded Image: An Introduction to Medieval and Renaissance Literature (1964) sketches the "Medieval Model" of the universe and shows how that model shaped medieval and Renaissance literature. He shows how that cosmic model arose by combining ideas from Plato (especially the Timaeus), Aristotle, the Stoics, the Neo-Platonists, and the early Christians. This model was crafted during the first centuries of the Christian era and became the prevalent conception of the cosmos throughout the Middle Ages. Its influence on literature continued even through to the end of the seventeenth century.
Lewis's book helps us to see the moral, political, and philosophical implications of the modern scientific model of the cosmos, including Darwinian evolution, by showing us what the modern model replaced. In fact, much of the opposition to the evolutionary view of the cosmos is motivated by a longing for the Medieval Model.
One important point that emerges clearly in Lewis's book is that this Medieval Model of the cosmos depends on pagan ideas. Although it is "eminently religious," it is "not eminently Christian" (18-19), because much of it was out of harmony with biblical religion (45-46, 49-51, 76, 79, 119-20). I stress this because it shows that other than the biblical doctrine that God created the universe, biblical religion does not require any specific view of the cosmos; and it certainly doesn't require the geocentric cosmology of the Medieval Model.
That's why even though Lewis admires that model--"the old Model delights me" (216)--he concedes that it is "not true." And as I have indicated in a previous post, Lewis was a theistic evolutionist.
Lewis's appreciation for the Medieval Model is more artistic than philosophical or scientific. His primary concern, he says, is with the "emotional effect" of the Model rather than its literal truth (112).
As an indication of the primacy of artistic emotion over scientific truth in such models, Lewis indicates that medieval philosophers and scientists treated the model as merely "provisional" (16). "It is not in the nature of things that great thinkers should take much interest in Models. They have more difficult and more controversial matters in hand. Every Model is a construct of answered questions. The expert is engaged either in raising questions or in giving new answers to old ones. When he is doing the first, the old, agreed Model is of no interest to him; when he is doing the second, he is beginning an operation which will finally destroy the old Model altogether" (18).
This is the point I have suggested in some of my recent posts on Platonic cosmology: even as Plato has Timaeus and others lay out elaborate cosmological designs, Plato implies that the skepticism of Socratic questioning will never support a dogmatic commitment to any cosmic model.
But even if we doubt the literal truth of such a model, Lewis insists, we should recognize the artistic sublimity of the Medieval Model. He writes:
"Whatever else a modern feels when he looks at the night sky, he certainly feels that he is looking out--like one looking out from the saloon entrance on to the dark Atlantic or from the lighted porch upon dark and lonely moors. But if you accepted the Medieval Model, you would feel like one looking in. The Earth is 'outside the city wall.' When the sun is up he dazzles us and we cannot see inside. Darkness, our own darkness, draws the veil and we catch a glimpse of the high pomps within; the vast, lighted concavity filled with music and life. And, looking in, we do not see, like Meredith's Lucifer, 'the army of unalterable law,' but rather the revelry of insatiable love. We are watching the activity of creatures whose experience we can only lamely compare to that of one in the act of drinking, his thirst delighted yet not quenched. For in them the highest of faculties is always exercised without impediment on the noblest object; without satiety, since they can never completely make His perfection their own, yet never frustrated, since at every moment they approximate to Him in the fullest measure of which their nature is capable. You need not wonder that one old picture represents the Intelligence of the Primum Mobile as a girl dancing and playing with her sphere as with a ball. Then, laying aside whatever Theology or Atheology you held before, run your mind up heaven by heaven to Him who is really the centre, to your senses the circumference, of all; the quarry whom all these untiring huntsmen pursue, the candle to whom all these moths move yet are not burned" (119).
Lewis would say that this "revelry of insatiable love" expresses a truth about the erotic nature of the human soul in striving for eternal truth and union with God. So even if we deny the literal truth of the Medieval Model, we can take seriously the psychic truth of human longing.
Lewis argues that although the Medieval Model is "not true," the move to the Modern Model of the universe is not "a simple progress from error to truth" (216, 222). The reason for this is that every model captures some but not all of the total truth. A model accounts for some aspects of what we experience in the cosmos under the influence of some prevailing psychological propensities. Our choice of models inevitably shows our "taste in universes" (222-23).
The literal truth of models is always limited by their dependence on metaphors. After all, that's what we mean by the word "model." So, for example, Lewis observes: "The fundamental concept of modern science is, or was till very recently, that of natural 'laws,' and every event was described as happening in 'obedience' to them. In medieval science, the fundamental concept was that of certain sympathies, antipathies, and strivings inherent in matter itself. Everything has its right place, its home, the region that suits it, and, if not forcibly restrained, moves thither by a sort of homing instinct" (92). Our selection of cosmic metaphors is important. "On the imaginative and emotional level it makes a great difference whether, with the medievals, we project upon our universe our strivings and desires, or with the moderns, our police-system and our traffic regulations. The old language continually suggests a sort of continuity between merely physical events and our most spiritual aspirations" (94).
We should remember here that Darwin's idea of "natural selection" is a metaphor that treats nature as acting like a human breeder of plants and animals. In the 6th edition of The Origin of Species, Darwin added (in chapter 4) a defense of this metaphor: "It has been said that I speak of natural selection as an active power or Deity; but who objects to an author speaking of the attraction of gravity as ruling the movements of the planets? Every one knows what is meant and is implied by such metaphorical expressions; and they are almost necessary for brevity. So again it is difficult to avoid personifying the word Nature; but I mean by Nature, only the aggregate action and product of many natural laws, and by laws the sequence of events as ascertained by us. With a little familiarity such superficial objections will be forgotten." So in trying to give a literal meaning to his metaphor "natural selection," Darwin uses another metaphor--"natural laws"!
Here we see why, as Lewis suggests, serious thinkers will always treat cosmic models as provisional formulations that approximate, but never fully capture, the whole truth. But even so, we can judge how well our models approximate the truth by seeing how well they account for the facts--both the material facts of the physical world and the mental facts of the psychic world. And by that standard, Darwin could argue for the superiority of his model to the older model.
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Tuesday, September 08, 2009
Sunday, January 24, 2010
Evolution and Ethics at Oxford: From Charles Darwin to C. S. Lewis
The seminar on "Evolution and Ethics" that I directed at the University of Oxford last week left me with many questions to ponder.
Most of the participants were professional philosophers (professors and advanced students) from China and from Calvin College. As I anticipated, much of the discussion turned on the debate between the Platonic or transcendentalist view of ethics and the Humean or empiricist view. A Darwinian evolutionary understanding of ethics is on the side of the Humean view that sees ethics as rooted in human nature, particularly in human emotions, beliefs, and desires. On the other side, the Platonic view taken by those like Kant looks to a transcendent conception of the Good that is somehow woven into the order of the cosmos. (As I have indicated in previous posts, the careful reader of the Platonic dialogues might doubt whether Plato himself--or Plato's Socrates--was a Platonist in this way.)
A growing number of leading philosophers are adopting a Humean/Darwinian moral psychology supported by recent research in evolutionary science, neuroscience, anthropology, and animal behavior. But one can still see the powerful influence of a Kantian transcendentalism in moral philosophy that regards morality as an autonomous realm of pure reason totally separated from the empirical realm of nature as studied by natural science.
After discussing this general debate in our first meeting, we turned in the second meeting to the debate between Charles Darwin and George Jackson Mivart. As far as Mivart is concerned, Darwin's evolutionary account of the moral sense stresses the role of the moral emotions and thus misses the essence of morality as pure rationality. Mivart insists: "It is judgment and not feeling which has to do with right and wrong." Mivart fails to see, however, that Darwin recognizes the role of reason in moral judgment that makes morality uniquely human, because it depends on human intellectual capacities, but he also recognizes the role of emotion and social instinct in motivating moral actions. The emotions and instincts underlying human morality can be seen in other animals, which shows the building blocks of moral experience in animal nature.
Although some of the participants in the seminar were receptive to Darwin's moral naturalism, many were deeply skeptical of whether his naturalism could account for the moral ought, for that sense of imperative normativity that seems to transcend emotion and desire, and which is so prominent in Kant's moral philosophy. These Kantians argued that while natural science could explain the origins of morality through evolutionary history, it could not explain the justifications of moral rules by reason. The Kantians insisted on this dichotomy between origins and justifications in order to preserve the Kantian separation between the natural realm of human moral sentiments and desires and the transcendent realm of human moral reasoning and freedom. The natural realm of human action is governed by hypothetical imperatives about what we have to do to be happy. The transcendent realm of human reason is governed by categorical imperatives of what we absolutely ought to do regardless of the practical consequences.
This set up the opposing sides in our discussion. I and the other naturalists were inclined to argue that morality is completely a matter of hypothetical imperatives, because the only ultimate answer to questions about why we "ought" to do something is that it will promote our human happiness or flourishing, and therefore evolutionary science helps us to understand the evolution of human morality as hypothetical imperatives that are constrained by our nature as social mammals. Against this position, the Kantian transcendentalists argued that morality strictly speaking--the morality of the moral "ought" rather than the calculation of the prudential "ought"--is a matter of pure reason separated from all natural experience.
But what I found most interesting in this discussion is how far the Kantians were willing to go in compromising by acknowledging that Kant's "pure ethics" of a priori reasoning had to be combined with his "impure ethics" of human nature and moral emotions. The pure a priori rationalism of Kantian ethics has been strongly challenged by research in moral psychology that shows that reason by itself cannot be the only ground of moral judgment. Consequently, the Kantians have had to argue that an expansive reading of all of Kant's writings shows that he allows for a naturalistic explanation of moral experience beyond pure reason. Kant is not simply a Kantian!
Most of the participants were professional philosophers (professors and advanced students) from China and from Calvin College. As I anticipated, much of the discussion turned on the debate between the Platonic or transcendentalist view of ethics and the Humean or empiricist view. A Darwinian evolutionary understanding of ethics is on the side of the Humean view that sees ethics as rooted in human nature, particularly in human emotions, beliefs, and desires. On the other side, the Platonic view taken by those like Kant looks to a transcendent conception of the Good that is somehow woven into the order of the cosmos. (As I have indicated in previous posts, the careful reader of the Platonic dialogues might doubt whether Plato himself--or Plato's Socrates--was a Platonist in this way.)
A growing number of leading philosophers are adopting a Humean/Darwinian moral psychology supported by recent research in evolutionary science, neuroscience, anthropology, and animal behavior. But one can still see the powerful influence of a Kantian transcendentalism in moral philosophy that regards morality as an autonomous realm of pure reason totally separated from the empirical realm of nature as studied by natural science.
After discussing this general debate in our first meeting, we turned in the second meeting to the debate between Charles Darwin and George Jackson Mivart. As far as Mivart is concerned, Darwin's evolutionary account of the moral sense stresses the role of the moral emotions and thus misses the essence of morality as pure rationality. Mivart insists: "It is judgment and not feeling which has to do with right and wrong." Mivart fails to see, however, that Darwin recognizes the role of reason in moral judgment that makes morality uniquely human, because it depends on human intellectual capacities, but he also recognizes the role of emotion and social instinct in motivating moral actions. The emotions and instincts underlying human morality can be seen in other animals, which shows the building blocks of moral experience in animal nature.
Although some of the participants in the seminar were receptive to Darwin's moral naturalism, many were deeply skeptical of whether his naturalism could account for the moral ought, for that sense of imperative normativity that seems to transcend emotion and desire, and which is so prominent in Kant's moral philosophy. These Kantians argued that while natural science could explain the origins of morality through evolutionary history, it could not explain the justifications of moral rules by reason. The Kantians insisted on this dichotomy between origins and justifications in order to preserve the Kantian separation between the natural realm of human moral sentiments and desires and the transcendent realm of human moral reasoning and freedom. The natural realm of human action is governed by hypothetical imperatives about what we have to do to be happy. The transcendent realm of human reason is governed by categorical imperatives of what we absolutely ought to do regardless of the practical consequences.
This set up the opposing sides in our discussion. I and the other naturalists were inclined to argue that morality is completely a matter of hypothetical imperatives, because the only ultimate answer to questions about why we "ought" to do something is that it will promote our human happiness or flourishing, and therefore evolutionary science helps us to understand the evolution of human morality as hypothetical imperatives that are constrained by our nature as social mammals. Against this position, the Kantian transcendentalists argued that morality strictly speaking--the morality of the moral "ought" rather than the calculation of the prudential "ought"--is a matter of pure reason separated from all natural experience.
But what I found most interesting in this discussion is how far the Kantians were willing to go in compromising by acknowledging that Kant's "pure ethics" of a priori reasoning had to be combined with his "impure ethics" of human nature and moral emotions. The pure a priori rationalism of Kantian ethics has been strongly challenged by research in moral psychology that shows that reason by itself cannot be the only ground of moral judgment. Consequently, the Kantians have had to argue that an expansive reading of all of Kant's writings shows that he allows for a naturalistic explanation of moral experience beyond pure reason. Kant is not simply a Kantian!
This reading of Kant has been elaborated by Robert Louden's Kant's Impure Ethics: From Rational Beings to Human Beings (Oxford University Press, 2000).
Still, however, the Kantians could not compromise at all on one point. Darwin speculated that if bees had mental capacities comparable to those of human beings, bees would develop a moral sense. But the content of bee morality would be radically different from human morality. Moral bees might regard it as a "sacred duty" for sisters to kill their brothers, and for the queen mother to kill her fertile daughters. The thought here is that since morality is relative to the natural needs and desires of the species, each species would have a different morality. So there is no cosmic morality. The standards of right and wrong are not woven in the fabric of the cosmos, there to be discovered by any animal that evolves a moral sense. Rather, morality is species-specific in its content. This bothered the Kantians in our group (just as it bothered the original Kantian reviewers of Darwin's book--Mivart and Cobbe), because it denies the transcendentalist claim that morality manifests a truth about the cosmos--perhaps about God as the moral lawgiver of the cosmos.
These same basic positions and lines of reasoning continued in the other meetings. In the third meeting, we discussed a paper by Frans de Waal, with critical responses from Robert Wright, Philip Kitcher, Christine Korsgaard, and Peter Singer. De Waal stressed the continuity between the social behavior of other primates and the moral behavior of human beings as showing the evolutionary roots of morality. The critics insisted, however, that there was a gap between animal behavior and human morality created by the uniquely human capacities for language and abstract reasoning.
Although initially there seems to be a sharp separation between the sides in this debate, closer examination reveals that both sides eventually move close to one another. I saw the same thing happening in our group. On the one side, de Waal and the Darwinian naturalists say that even as they stress the continuity of human morality with the social behavior of others animals, they recognize that morality strictly speaking really is uniquely human because of the uniquely human mental capacities required for morality. On the other side, the Kantians can recognize that nonhuman animals can display some of the natural dispositions and capacities that go into human morality.
Everyone seems to agree here that morality requires an "impartial" or "disinterested" perspective that leads to something like the Golden Rule as a fundamental moral principle. But I agree with de Waal that this moral impartiality is not absolute, because it rests on an "abstract yet still egocentric concern about the quality of life in a community." This is evident in the "tension between loyalty and moral inclusion." Morality is an "in-group phenomenon" in that morality has evolved largely to promote cooperation within groups to compete with those outside the groups. We can extend our moral concern to ever wider groups--fellow kin, fellow citizens, all human beings, perhaps even all sentient creatures. Darwin speaks of moral progress reaching the point of "disinterested love of all living creatures." But I agree with de Waal that as we extend our moral sympathy farther out on the moral circle, our attachments to those far away is commonly weaker than our attachments to those close to us, and we are even morally obligated to feel a stronger concern for those close to us than for strangers.
The question of whether absolute impartiality is possible, or desirable, becomes evident in the debate over "animal rights." Peter Singer claims that the ultimate moral principle is impartial concern for the interests of all sentient creatures, which dictates that we might have to sacrifice human interests for the interests of nonhuman animals. Against Singer, de Waal argues that while we should show some sympathy for other animals, our moral obligations to our fellow human beings come first. So, for example, de Waal thinks using primates for scientific research where we would not want to use human beings is justifiable if the benefit for human beings outweighs the suffering of the animals.
In our reading for this seminar, some of the authors interpret the principle of moral impartiality as dictating universal love, like the teaching of Jesus' Sermon on the Mount. As I said in the seminar, I am not persuaded by this, because it seems to me that universal love is contrary to human nature. A morality of universal love would dictate absolute pacifism and socialism in the pursuit of global peaceful cooperation free of any conflict. But we know that doesn't work. In fact, refusing to punish evildoers would make human morality impossible.
This point came up in our fourth meeting as we discussed my Darwinian Natural Right and John Hare's criticism of my book. Hare is a Kantian Christian. He agrees with me that complete moral impartiality as dictating universal love is unnatural for human beings. But then he says this only shows the "moral gap" between what morality demands of us and what we can do. To cross that moral gap--to satisfy the demands of morality--we need the assistance of God. This leads him into his divine command theory of morality. Against the secular Kantianism of people like Korsgaard, Hare defends a religious Kantianism based on the claim that Kant's categorical morality cannot be obeyed by human beings without some religious support.
Darwin intimates the religious character of Kant's moral philosophy when he quotes Kant's depiction of moral law as evoking "reverence." Moreover, in the passage from the Critique of Practical Reason from which Darwin quotes, Kant speaks of "man as belonging to two worlds"--the phenomenal world of natural causes and the noumenal world of human freedom. But then Darwin indicates that he will explain morality "exclusively from the side of natural history." So, implicitly, Darwin rejects Kant's "two worlds" in favor of one world--the empirical world of nature.
This points us again to the fundamental debate between Platonic transcendentalism and Humean naturalism. In the last meeting of our seminar, I began by suggesting that if we're laying out a typology of fundamental sources of moral principles invoked in moral philosophy, we might consider six possible sources:
1. Cosmic God
2. Cosmic Nature
3. Cosmic Reason
4. Human Nature
5. Human Culture
6. Human Individuals
The transcendentalists look to the first three--the cosmic sources of moral order--because they believe that morality cannot have "moral clout" (in Richard Joyce's phrase) unless it is believed to be part of the cosmic order of things as dictated by God, by the nature of the universe, or by universal rational structures. So just as we discover mathematical principles as somehow woven into the constitution of the world, we should be able to discover moral principles as part of the "wisdom of the world" (in Remi Brague's phrase).
The empiricists, however, look to the second three sources--the human sources of moral order. Human nature gives us the generic goods of life as rooted in the natural desires of the human species as shaped by evolutionary history--perhaps the 20 natural desires that I have sketched. But within the contraints of human nature, human culture specifies the moral traditions of human morality as shaped by cultural history. Then, within the constraints of both human nature and human culture, human individuals make choices that reflect the uniqueness of their individual temperaments, abilities, and circumstances as shaped by their individual history.
Kant's "pure ethics" corresponds to the transcendental order of the first three sources. His "impure ethics" corresponds to the human order of the last three sources.
Philosophers like Kant and Hare are satisfied Platonists because they believe that morality really does find its transcendent grounds in the cosmic sources. But philosophers like Richard Joyce and John Mackie are frustrated Platonists who agree that "moral clout" requires belief in "moral facts" as cosmic facts beyond the "natural facts," but they are convinced by natural science that this belief is false, because what appears to be a cosmic moral objectivity is actually a subjective projection of the human moral emotions onto the cosmos, and therefore morality is necessarily fictional.
By contrast, the satisfied Humeans--those like Darwin and Westermarck--see no need for morality conforming to a moral cosmology, and so the illusion of moral objectivity as founded on moral cosmology can be exposed for the illusion that it is, even as we accept the purely naturalistic grounds of morality in human experience--human nature, human culture, and human individuality.
The Humeans and Darwinians accept the historical contingency of morality as shaped by the genetic history of human nature, the social history of human culture, and the personal history of human individuality. The good is the desirable. But what is desirable varies according to the contingencies of human cultures and human individuals. Even so, the generic goods of human nature are stable and universal across all of human history for as long as the human species exists. And yet, there was a time when the human species did not exist, and there will be a time sometime in the future when the human species will be extinct. In the absence of the human species, morality would not exist. If some other species develops the capacities necessary for a moral sense, it will have a moral sense, but the content of that moral sense will be distinct to its specific nature.
On the last day of this seminar, we spent the afternoon touring some sites around Oxford associated with C. S. Lewis. It was fitting that we did this, because Lewis struggled his whole life with the consequences of the modern scientific rejection of the moral cosmology of the ancient and medieval world that Lewis loved.
Lewis was a student at Oxford, and then he taught for 30 years as a Fellow at Magdalen College at Oxford. He was a scholar of medieval and renaissance literature. But he is best known as the author of some of the most popular works of Christian apologetics and literature, including science fiction and children's fantasy.
We toured his house ("The Kilns"), Magdalen College, and the graveyard where he is buried outside his parish church--Holy Trinity Church in Headington. At the house, our tour was guided by Michael Ward, a chaplain at Oxford and the author of Planet Narnia: The Seven Heavens in the Imagination of C. S. Lewis (Oxford University Press, 2008).
Ward argues in his book that Lewis's love of medieval cosmology provides the key to the symbolic coherence of Lewis's Chronicles of Narnia, which became one of the most popular series of children's fantasy novels of the twentieth century. Ward shows how the seven novels in the series correspond to the seven planets of medieval cosmology.
I have written an earlier post on Lewis' book The Discarded Image as his study of the geocentric cosmic model that combined Platonic and Christian teachings about the moral order of the universe as designed by God. This model shaped the human sense of cosmic moral order in the Western world for almost 2,000 years before it was discarded by modern science.
Lewis' transcendent longings were satisfied by that cosmic vision of the world as a creation of God's love that offered ultimate satisfaction to the human yearning for meaning and purpose in the universe. Lewis doubted that modern natural science could ever provide a proper substitute for that old cosmology. And yet Lewis was a theistic evolutionist who accepted the scientific truth of evolutionary science, even if he doubted that such a science could ever give us the moral truth that we seek. I suggest, however, that what Lewis in The Abolition of Man lays out as the "common morality" (or Tao) of humanity--universally found in all human societies throughout history--points to the sort of natural morality that is supported by evolutionary reasoning.
A few of my previous posts on pertinent themes can be found here, here, here, here, here, and here.
Still, however, the Kantians could not compromise at all on one point. Darwin speculated that if bees had mental capacities comparable to those of human beings, bees would develop a moral sense. But the content of bee morality would be radically different from human morality. Moral bees might regard it as a "sacred duty" for sisters to kill their brothers, and for the queen mother to kill her fertile daughters. The thought here is that since morality is relative to the natural needs and desires of the species, each species would have a different morality. So there is no cosmic morality. The standards of right and wrong are not woven in the fabric of the cosmos, there to be discovered by any animal that evolves a moral sense. Rather, morality is species-specific in its content. This bothered the Kantians in our group (just as it bothered the original Kantian reviewers of Darwin's book--Mivart and Cobbe), because it denies the transcendentalist claim that morality manifests a truth about the cosmos--perhaps about God as the moral lawgiver of the cosmos.
These same basic positions and lines of reasoning continued in the other meetings. In the third meeting, we discussed a paper by Frans de Waal, with critical responses from Robert Wright, Philip Kitcher, Christine Korsgaard, and Peter Singer. De Waal stressed the continuity between the social behavior of other primates and the moral behavior of human beings as showing the evolutionary roots of morality. The critics insisted, however, that there was a gap between animal behavior and human morality created by the uniquely human capacities for language and abstract reasoning.
Although initially there seems to be a sharp separation between the sides in this debate, closer examination reveals that both sides eventually move close to one another. I saw the same thing happening in our group. On the one side, de Waal and the Darwinian naturalists say that even as they stress the continuity of human morality with the social behavior of others animals, they recognize that morality strictly speaking really is uniquely human because of the uniquely human mental capacities required for morality. On the other side, the Kantians can recognize that nonhuman animals can display some of the natural dispositions and capacities that go into human morality.
Everyone seems to agree here that morality requires an "impartial" or "disinterested" perspective that leads to something like the Golden Rule as a fundamental moral principle. But I agree with de Waal that this moral impartiality is not absolute, because it rests on an "abstract yet still egocentric concern about the quality of life in a community." This is evident in the "tension between loyalty and moral inclusion." Morality is an "in-group phenomenon" in that morality has evolved largely to promote cooperation within groups to compete with those outside the groups. We can extend our moral concern to ever wider groups--fellow kin, fellow citizens, all human beings, perhaps even all sentient creatures. Darwin speaks of moral progress reaching the point of "disinterested love of all living creatures." But I agree with de Waal that as we extend our moral sympathy farther out on the moral circle, our attachments to those far away is commonly weaker than our attachments to those close to us, and we are even morally obligated to feel a stronger concern for those close to us than for strangers.
The question of whether absolute impartiality is possible, or desirable, becomes evident in the debate over "animal rights." Peter Singer claims that the ultimate moral principle is impartial concern for the interests of all sentient creatures, which dictates that we might have to sacrifice human interests for the interests of nonhuman animals. Against Singer, de Waal argues that while we should show some sympathy for other animals, our moral obligations to our fellow human beings come first. So, for example, de Waal thinks using primates for scientific research where we would not want to use human beings is justifiable if the benefit for human beings outweighs the suffering of the animals.
In our reading for this seminar, some of the authors interpret the principle of moral impartiality as dictating universal love, like the teaching of Jesus' Sermon on the Mount. As I said in the seminar, I am not persuaded by this, because it seems to me that universal love is contrary to human nature. A morality of universal love would dictate absolute pacifism and socialism in the pursuit of global peaceful cooperation free of any conflict. But we know that doesn't work. In fact, refusing to punish evildoers would make human morality impossible.
This point came up in our fourth meeting as we discussed my Darwinian Natural Right and John Hare's criticism of my book. Hare is a Kantian Christian. He agrees with me that complete moral impartiality as dictating universal love is unnatural for human beings. But then he says this only shows the "moral gap" between what morality demands of us and what we can do. To cross that moral gap--to satisfy the demands of morality--we need the assistance of God. This leads him into his divine command theory of morality. Against the secular Kantianism of people like Korsgaard, Hare defends a religious Kantianism based on the claim that Kant's categorical morality cannot be obeyed by human beings without some religious support.
Darwin intimates the religious character of Kant's moral philosophy when he quotes Kant's depiction of moral law as evoking "reverence." Moreover, in the passage from the Critique of Practical Reason from which Darwin quotes, Kant speaks of "man as belonging to two worlds"--the phenomenal world of natural causes and the noumenal world of human freedom. But then Darwin indicates that he will explain morality "exclusively from the side of natural history." So, implicitly, Darwin rejects Kant's "two worlds" in favor of one world--the empirical world of nature.
This points us again to the fundamental debate between Platonic transcendentalism and Humean naturalism. In the last meeting of our seminar, I began by suggesting that if we're laying out a typology of fundamental sources of moral principles invoked in moral philosophy, we might consider six possible sources:
1. Cosmic God
2. Cosmic Nature
3. Cosmic Reason
4. Human Nature
5. Human Culture
6. Human Individuals
The transcendentalists look to the first three--the cosmic sources of moral order--because they believe that morality cannot have "moral clout" (in Richard Joyce's phrase) unless it is believed to be part of the cosmic order of things as dictated by God, by the nature of the universe, or by universal rational structures. So just as we discover mathematical principles as somehow woven into the constitution of the world, we should be able to discover moral principles as part of the "wisdom of the world" (in Remi Brague's phrase).
The empiricists, however, look to the second three sources--the human sources of moral order. Human nature gives us the generic goods of life as rooted in the natural desires of the human species as shaped by evolutionary history--perhaps the 20 natural desires that I have sketched. But within the contraints of human nature, human culture specifies the moral traditions of human morality as shaped by cultural history. Then, within the constraints of both human nature and human culture, human individuals make choices that reflect the uniqueness of their individual temperaments, abilities, and circumstances as shaped by their individual history.
Kant's "pure ethics" corresponds to the transcendental order of the first three sources. His "impure ethics" corresponds to the human order of the last three sources.
Philosophers like Kant and Hare are satisfied Platonists because they believe that morality really does find its transcendent grounds in the cosmic sources. But philosophers like Richard Joyce and John Mackie are frustrated Platonists who agree that "moral clout" requires belief in "moral facts" as cosmic facts beyond the "natural facts," but they are convinced by natural science that this belief is false, because what appears to be a cosmic moral objectivity is actually a subjective projection of the human moral emotions onto the cosmos, and therefore morality is necessarily fictional.
By contrast, the satisfied Humeans--those like Darwin and Westermarck--see no need for morality conforming to a moral cosmology, and so the illusion of moral objectivity as founded on moral cosmology can be exposed for the illusion that it is, even as we accept the purely naturalistic grounds of morality in human experience--human nature, human culture, and human individuality.
The Humeans and Darwinians accept the historical contingency of morality as shaped by the genetic history of human nature, the social history of human culture, and the personal history of human individuality. The good is the desirable. But what is desirable varies according to the contingencies of human cultures and human individuals. Even so, the generic goods of human nature are stable and universal across all of human history for as long as the human species exists. And yet, there was a time when the human species did not exist, and there will be a time sometime in the future when the human species will be extinct. In the absence of the human species, morality would not exist. If some other species develops the capacities necessary for a moral sense, it will have a moral sense, but the content of that moral sense will be distinct to its specific nature.
On the last day of this seminar, we spent the afternoon touring some sites around Oxford associated with C. S. Lewis. It was fitting that we did this, because Lewis struggled his whole life with the consequences of the modern scientific rejection of the moral cosmology of the ancient and medieval world that Lewis loved.
Lewis was a student at Oxford, and then he taught for 30 years as a Fellow at Magdalen College at Oxford. He was a scholar of medieval and renaissance literature. But he is best known as the author of some of the most popular works of Christian apologetics and literature, including science fiction and children's fantasy.
We toured his house ("The Kilns"), Magdalen College, and the graveyard where he is buried outside his parish church--Holy Trinity Church in Headington. At the house, our tour was guided by Michael Ward, a chaplain at Oxford and the author of Planet Narnia: The Seven Heavens in the Imagination of C. S. Lewis (Oxford University Press, 2008).
Ward argues in his book that Lewis's love of medieval cosmology provides the key to the symbolic coherence of Lewis's Chronicles of Narnia, which became one of the most popular series of children's fantasy novels of the twentieth century. Ward shows how the seven novels in the series correspond to the seven planets of medieval cosmology.
I have written an earlier post on Lewis' book The Discarded Image as his study of the geocentric cosmic model that combined Platonic and Christian teachings about the moral order of the universe as designed by God. This model shaped the human sense of cosmic moral order in the Western world for almost 2,000 years before it was discarded by modern science.
Lewis' transcendent longings were satisfied by that cosmic vision of the world as a creation of God's love that offered ultimate satisfaction to the human yearning for meaning and purpose in the universe. Lewis doubted that modern natural science could ever provide a proper substitute for that old cosmology. And yet Lewis was a theistic evolutionist who accepted the scientific truth of evolutionary science, even if he doubted that such a science could ever give us the moral truth that we seek. I suggest, however, that what Lewis in The Abolition of Man lays out as the "common morality" (or Tao) of humanity--universally found in all human societies throughout history--points to the sort of natural morality that is supported by evolutionary reasoning.
A few of my previous posts on pertinent themes can be found here, here, here, here, here, and here.
Thursday, July 09, 2009
Brague, Nietzsche, and the Longing for Moral Cosmology
In my recent posts on Platonic cosmology as interpreted by Zuckert, Brague, and Cropsey, I have taken the side of Cropsey and Zuckert against Brague in concluding that Plato and Plato's Socrates see the cosmos as morally indifferent, and thus they do not endorse Timaeus's moral cosmology. While I disagree with the fundamental argument of Brague's book The Wisdom of the World: The Human Experience of the Universe in Western Thought, I like the book because in laying out the history of the reasoning for moral cosmology, Brague shows the weaknesses in the reasoning, although that is not his intention.
The idea of moral cosmology is that the order of the cosmos is such a model of moral perfection that human morality is to be judged by how well it imitates that cosmic model. In particular, the astronomical order displayed in the sky or the celestial realm is the highest expression of the Good. (What Brague is describing here is what Arthur Lovejoy called "the Great Chain of Being" and what C. S. Lewis celebrated as "the discarded image.")
According to Brague, this moral cosmology was first sketched out in Plato's Timaeus, where the cosmos is described as a creation of a divine craftsman who designed everything to approximate the perfect order of eternal ideas, so that Being and the Good coincide, and so that the moral and political perfection of human life comes from imitating that cosmic order of the heavenly spheres. Later, this pagan cosmology was modified by biblical theologians to conform to their theology. This cosmology then became the dominant image of the cosmos throughout the Western world from late antiquity to the end of the Middle Ages. But then, Brague argues, this cosmic image was displaced in the modern era by the idea that the cosmos is either amoral or immoral, and therefore not a suitable model for human imitation. For the moderns, therefore, Being and the Good were disconnected. Brague's main message is that this dissolution of moral cosmology and the lack of any cosmic support for morality in the modern era has promoted nihilistic chaos.
At various points in his book, Brague indicates that his analysis coincides with Nietzsche's assessment of the moral crisis that comes with the "death of God," or the death of any belief in a moral interpretation of the cosmos, which is a consequence of modern science, and particularly the "true but deadly" doctrines of Darwinian science (24, 32, 189-90, 198). Brague agrees with Nietzsche that Plato's cosmology is a fictional creation of Platonic philosophers who project their wishes onto the cosmos. But he also agrees with Nietzsche that once this Platonic cosmology is refuted by modern science and replaced by a modern conception of the universe as morally neutral or even hostile to morality, then morality collapses without cosmic support.
Brague's extremism on this point is clear when he insists that a modern scientific conception of the moral neutrality of nature dictates "natural violence" and the criminal immoralism of the Marquis de Sade (204-209)!
Brague does not question this Nietzschean analysis of moral cosmology, and he does not consider Nietzsche's claims in Human, All Too Human that modern evolutionary science can support morality as rooted in animal instincts and evolved human nature. Like many readers of Nietzsche, Brague concentrates on the early and late writings of Nietzsche--with all the fireworks about scientific nihilism--and ignores the more moderate and reasonable writings of Nietzsche's middle period where he suggests that morality does not require transcendent, cosmic support, because it can be founded in the immanent teleology of human nature rather than the cosmic teleology of a divinely perfect cosmos.
Moreover, Brague admits that the moral cosmology that he finds so attractive probably could not provide any moral rules, and thus it probably didn't improve the morality of those who believed in it. After all, what kind of moral instruction is it to be told to "imitate the sky"? Judging what is good and bad is always a matter of prudence or practical judgment, and such judgment can be carried out based upon a biological conception of human life as aiming towards human ends, without any need for a moral cosmology. In fact, Brague admits, that seems to be the case for Aristotle. Although he sometimes invoked conceptions of cosmological teleology, his Nicomachean Ethics does not seem to rely much upon the sort of cosmology that Timaeus set forth. And rather than looking to astronomy for moral and political guidance, Aristotle seemed to look more to biology as a realm of phenomena closer to human moral concerns. (See 30, 122, 126, 152-53, 201, 217.)
If this is so, then Brague is wrong to suggest that the idea of a morally neutral cosmos did not appear in Western thought prior to the modern era, and he is also wrong to argue that morality cannot be sustained without a moral cosmology.
In addition to some of my recent posts, some of my earlier posts that are pertinent to this issue can be found here, here, here, here, and here.
The idea of moral cosmology is that the order of the cosmos is such a model of moral perfection that human morality is to be judged by how well it imitates that cosmic model. In particular, the astronomical order displayed in the sky or the celestial realm is the highest expression of the Good. (What Brague is describing here is what Arthur Lovejoy called "the Great Chain of Being" and what C. S. Lewis celebrated as "the discarded image.")
According to Brague, this moral cosmology was first sketched out in Plato's Timaeus, where the cosmos is described as a creation of a divine craftsman who designed everything to approximate the perfect order of eternal ideas, so that Being and the Good coincide, and so that the moral and political perfection of human life comes from imitating that cosmic order of the heavenly spheres. Later, this pagan cosmology was modified by biblical theologians to conform to their theology. This cosmology then became the dominant image of the cosmos throughout the Western world from late antiquity to the end of the Middle Ages. But then, Brague argues, this cosmic image was displaced in the modern era by the idea that the cosmos is either amoral or immoral, and therefore not a suitable model for human imitation. For the moderns, therefore, Being and the Good were disconnected. Brague's main message is that this dissolution of moral cosmology and the lack of any cosmic support for morality in the modern era has promoted nihilistic chaos.
At various points in his book, Brague indicates that his analysis coincides with Nietzsche's assessment of the moral crisis that comes with the "death of God," or the death of any belief in a moral interpretation of the cosmos, which is a consequence of modern science, and particularly the "true but deadly" doctrines of Darwinian science (24, 32, 189-90, 198). Brague agrees with Nietzsche that Plato's cosmology is a fictional creation of Platonic philosophers who project their wishes onto the cosmos. But he also agrees with Nietzsche that once this Platonic cosmology is refuted by modern science and replaced by a modern conception of the universe as morally neutral or even hostile to morality, then morality collapses without cosmic support.
Brague's extremism on this point is clear when he insists that a modern scientific conception of the moral neutrality of nature dictates "natural violence" and the criminal immoralism of the Marquis de Sade (204-209)!
Brague does not question this Nietzschean analysis of moral cosmology, and he does not consider Nietzsche's claims in Human, All Too Human that modern evolutionary science can support morality as rooted in animal instincts and evolved human nature. Like many readers of Nietzsche, Brague concentrates on the early and late writings of Nietzsche--with all the fireworks about scientific nihilism--and ignores the more moderate and reasonable writings of Nietzsche's middle period where he suggests that morality does not require transcendent, cosmic support, because it can be founded in the immanent teleology of human nature rather than the cosmic teleology of a divinely perfect cosmos.
Moreover, Brague admits that the moral cosmology that he finds so attractive probably could not provide any moral rules, and thus it probably didn't improve the morality of those who believed in it. After all, what kind of moral instruction is it to be told to "imitate the sky"? Judging what is good and bad is always a matter of prudence or practical judgment, and such judgment can be carried out based upon a biological conception of human life as aiming towards human ends, without any need for a moral cosmology. In fact, Brague admits, that seems to be the case for Aristotle. Although he sometimes invoked conceptions of cosmological teleology, his Nicomachean Ethics does not seem to rely much upon the sort of cosmology that Timaeus set forth. And rather than looking to astronomy for moral and political guidance, Aristotle seemed to look more to biology as a realm of phenomena closer to human moral concerns. (See 30, 122, 126, 152-53, 201, 217.)
If this is so, then Brague is wrong to suggest that the idea of a morally neutral cosmos did not appear in Western thought prior to the modern era, and he is also wrong to argue that morality cannot be sustained without a moral cosmology.
In addition to some of my recent posts, some of my earlier posts that are pertinent to this issue can be found here, here, here, here, and here.
Friday, July 17, 2009
Plato's Teleological Cosmology & Cicero's Socratic Scepticism
I continue thinking about the history of Plato's teleological cosmology, as well as the history of the break from that cosmology in the work of Hume and Darwin.
As far as I know, the three best surveys of how Plato's cosmology--in the Laws (book 10) and the Timaeus--shaped Western cosmology for 2,000 years are Arthur Lovejoy's The Great Chain of Being, C. S. Lewis's The Discarded Image, and Remi Brague's The Wisdom of the World. In all three books, the claim is that there was no serious criticism of that Platonic cosmology until the modern era.
But this ignores the evidence that Plato's intelligent-design cosmology provoked sceptical questioning from the very beginning with Plato's Socrates, and that this Socratic scepticism was continued by Cicero and others, which was then renewed in the Eighteenth Century by Hume and then elaborated in the evolutionary science of Darwin in the Nineteenth Century.
Brague does at least give his reader a glimpse of this sceptical tradition. Brague notices that the cosmology of the Timaeus--with its teaching that the moral and political life of human beings must imitate the intelligent order of the cosmos--overturns the "Socratic Revolution" described in the Phaedo. In his famous account of his "second sailing," Socrates says that, as a young man, he was devoted to "inquiry into nature"--looking for the natural causes of all things. He was excited by a writing of Anaxagoras that proclaimed "Mind" (nous) to be the cause of all things. But then Socrates became disappointed when he saw that Anaxagoras's explanations through material causes did not really give Socrates what he was looking for--an explanation for why it was best for everything to be ordered as it was. So Socrates decided that instead of looking directly at natural things--as if he were looking directly at the sun--he must look at their reflections in the accounts or speeches (logoi) about them. Thus, he turned to examining how people talk about their experiences, hoping that through such human experience, he could ascend to the enduring patterns or forms that explain that experience. Brague writes: "Thus Socrates renounced that unification of experience in favor of considering solely phenomena relating to the polis, that is, the being-together of men. In this way he disconnected anthropology from cosmology and introduced his plan to found an anthropology based solely on itself" (31).
But if so, then, Brague insists, Plato in the Timaeus had to reverse the Socratic Revolution by formulating a teleological cosmology by which all things were governed by cosmic Mind so that everything was ordered in the best and most excellent way. "Plato built a bridge over the abyss Socrates had opened, by positing the Good as the supreme principle" (32).
Brague suggests that this "abyss" opened by Socrates and closed by Plato was not opened again until the modern era, when the moral interpretation of the cosmos was challenged by modern thinkers. But this overlooks the ancient tradition of Socratic scepticism. Brague does recognize Lucretius and the Epicurean tradition as deviating from the cosmological thought set in motion by the Timaeus. But this Epicurean tradition of thought was outside the main line of thought from Plato and Aristotle.
To tell this story, Brague has to ignore Cicero's account of Socratic scepticism. Particularly in his Academics, Cicero shows how scepticism emerged early in the history of the Platonic Academy. Part of that scepticism was the thought that the moral and political life of human beings could not be governed by cosmological knowledge, and so Socrates was right to bring philosophy down from the heavens into the realm of human experience. In this Academics (I.15), Cicero has Varro say: "It is universally agreed that Socrates was the first person who summoned philosophy away from mysteries veiled in concealment by nature herself, upon which all philosophers before him had been engaged and led it to the subject of ordinary life, in order to investigate the virtues and vices, and good and evil generally, and to realize that heavenly matters are either remote from our knowledge or else, however fully known, have nothing to do with the good life." So, contrary to Brague's claim, the idea of the moral neutrality of the cosmos was not an invention of the modern era, because the idea was already there in the ancient tradition of Socratic scepticism to which Cicero belonged.
The best critique of intelligent-design cosmology in antiquity is Cicero's dialogue On the Nature of the Gods. This became the model for Hume's Dialogues Concerning Natural Religion. Hume's character Cleanthes is named after the teacher of the Stoic Balbus, who lays out the intelligent-design argument in Cicero's dialogue. Hume's character Philo (who speaks for Humean scepticism) is named after the teacher of Cotta, who lays out the sceptical arguments in Cicero's dialogue. After allowing Cotta to demolish the intelligent-design cosmology of Balbus, Cicero carefully avoids scandal in the conclusion to his dialogue: "Here the conversation ended, and we parted, Velleius thinking Cotta's discourse to be truer, while I thought that of Balbus approximated more nearly to some semblance of the truth." Similarly, Hume concludes his dialogue by having his narrator Pamphilus say: "I cannot but think that Philo's principles are more probable than Demea's, but that those of Cleanthes approaches still nearer to the truth."
We can see here that Cicero and Hume belong to a tradition of sceptical conservatism that doubts Plato's teleological cosmology, even as it grudgingly acknowledges that this Platonic cosmology might be salutary as a popular "civil religion."
Metaphysical conservatives who believe that moral and political order cannot survive without cosmic support are uncomfortable in the face of this conservative tradition of scepticism. One can see this, for example, in an article published in The Intercollegiate Review in 1968 by Frederick Wilhelmsen and Willmoore Kendall--"Cicero and the Politics of the Public Orthodoxy." They admire Cicero for his understanding of the "public orthodoxy" as "that tissue of judgments, defining the good life and indicating the meaning of human existence, which is held commonly by the members of any society, who see in it the charter of their way of life and the ultimate justification of their society." They see this as corresponding to what Leo Strauss identified as the "way of life" of the politeia or what T. S. Eliot called "culture"--shared judgments about the cosmic meaning of human existence that support social and political order. But they are disturbed by the evidence that Cicero thought that the theological, intelligent-design cosmology of the public orthodoxy was false, even though he might be obligated to avoid publicly denying it.
For Wilhelmsen and Kendall, no public orthodoxy can sustain itself if it is not grounded in some metaphysical conception of the cosmos as intelligently designed as a model for human morality and politics. In the case of Cicero, they see a conflict between theoretical truth (Socratic scepticism) and the customary beliefs required for society. Their solution to this problem is to assert that Christian revelation creates a bridge between transcendent truth and immanent social order. Our Christian faith that God is the source of all order guarantees that there will be no conflict between the truths of the soul and the truths of society. But they leave the reader wondering how this can be "theoretically guaranteed" so as to be immune to the sceptical doubts of Socratic philosophy.
Darwinian science continues the sceptical tradition of Cicero and Hume by showing how the moral order of human life can be based on the natural order of human nature. Even if the natural cosmos as a whole is morally indifferent, the species-specific nature of human beings can support moral distinctions.
If this is persuasive, then we should say that Aristotle was right when he argued in his biological works that in contrast to astronomy, the study of the nature of animals is more open to study, less dependent on traditional myths, and "more akin to our nature" than study of the divine cosmos (Parts of Animals, 642a).
An earlier post on comparing metaphysical conservatism and evolutionary conservatism can be found here.
As far as I know, the three best surveys of how Plato's cosmology--in the Laws (book 10) and the Timaeus--shaped Western cosmology for 2,000 years are Arthur Lovejoy's The Great Chain of Being, C. S. Lewis's The Discarded Image, and Remi Brague's The Wisdom of the World. In all three books, the claim is that there was no serious criticism of that Platonic cosmology until the modern era.
But this ignores the evidence that Plato's intelligent-design cosmology provoked sceptical questioning from the very beginning with Plato's Socrates, and that this Socratic scepticism was continued by Cicero and others, which was then renewed in the Eighteenth Century by Hume and then elaborated in the evolutionary science of Darwin in the Nineteenth Century.
Brague does at least give his reader a glimpse of this sceptical tradition. Brague notices that the cosmology of the Timaeus--with its teaching that the moral and political life of human beings must imitate the intelligent order of the cosmos--overturns the "Socratic Revolution" described in the Phaedo. In his famous account of his "second sailing," Socrates says that, as a young man, he was devoted to "inquiry into nature"--looking for the natural causes of all things. He was excited by a writing of Anaxagoras that proclaimed "Mind" (nous) to be the cause of all things. But then Socrates became disappointed when he saw that Anaxagoras's explanations through material causes did not really give Socrates what he was looking for--an explanation for why it was best for everything to be ordered as it was. So Socrates decided that instead of looking directly at natural things--as if he were looking directly at the sun--he must look at their reflections in the accounts or speeches (logoi) about them. Thus, he turned to examining how people talk about their experiences, hoping that through such human experience, he could ascend to the enduring patterns or forms that explain that experience. Brague writes: "Thus Socrates renounced that unification of experience in favor of considering solely phenomena relating to the polis, that is, the being-together of men. In this way he disconnected anthropology from cosmology and introduced his plan to found an anthropology based solely on itself" (31).
But if so, then, Brague insists, Plato in the Timaeus had to reverse the Socratic Revolution by formulating a teleological cosmology by which all things were governed by cosmic Mind so that everything was ordered in the best and most excellent way. "Plato built a bridge over the abyss Socrates had opened, by positing the Good as the supreme principle" (32).
Brague suggests that this "abyss" opened by Socrates and closed by Plato was not opened again until the modern era, when the moral interpretation of the cosmos was challenged by modern thinkers. But this overlooks the ancient tradition of Socratic scepticism. Brague does recognize Lucretius and the Epicurean tradition as deviating from the cosmological thought set in motion by the Timaeus. But this Epicurean tradition of thought was outside the main line of thought from Plato and Aristotle.
To tell this story, Brague has to ignore Cicero's account of Socratic scepticism. Particularly in his Academics, Cicero shows how scepticism emerged early in the history of the Platonic Academy. Part of that scepticism was the thought that the moral and political life of human beings could not be governed by cosmological knowledge, and so Socrates was right to bring philosophy down from the heavens into the realm of human experience. In this Academics (I.15), Cicero has Varro say: "It is universally agreed that Socrates was the first person who summoned philosophy away from mysteries veiled in concealment by nature herself, upon which all philosophers before him had been engaged and led it to the subject of ordinary life, in order to investigate the virtues and vices, and good and evil generally, and to realize that heavenly matters are either remote from our knowledge or else, however fully known, have nothing to do with the good life." So, contrary to Brague's claim, the idea of the moral neutrality of the cosmos was not an invention of the modern era, because the idea was already there in the ancient tradition of Socratic scepticism to which Cicero belonged.
The best critique of intelligent-design cosmology in antiquity is Cicero's dialogue On the Nature of the Gods. This became the model for Hume's Dialogues Concerning Natural Religion. Hume's character Cleanthes is named after the teacher of the Stoic Balbus, who lays out the intelligent-design argument in Cicero's dialogue. Hume's character Philo (who speaks for Humean scepticism) is named after the teacher of Cotta, who lays out the sceptical arguments in Cicero's dialogue. After allowing Cotta to demolish the intelligent-design cosmology of Balbus, Cicero carefully avoids scandal in the conclusion to his dialogue: "Here the conversation ended, and we parted, Velleius thinking Cotta's discourse to be truer, while I thought that of Balbus approximated more nearly to some semblance of the truth." Similarly, Hume concludes his dialogue by having his narrator Pamphilus say: "I cannot but think that Philo's principles are more probable than Demea's, but that those of Cleanthes approaches still nearer to the truth."
We can see here that Cicero and Hume belong to a tradition of sceptical conservatism that doubts Plato's teleological cosmology, even as it grudgingly acknowledges that this Platonic cosmology might be salutary as a popular "civil religion."
Metaphysical conservatives who believe that moral and political order cannot survive without cosmic support are uncomfortable in the face of this conservative tradition of scepticism. One can see this, for example, in an article published in The Intercollegiate Review in 1968 by Frederick Wilhelmsen and Willmoore Kendall--"Cicero and the Politics of the Public Orthodoxy." They admire Cicero for his understanding of the "public orthodoxy" as "that tissue of judgments, defining the good life and indicating the meaning of human existence, which is held commonly by the members of any society, who see in it the charter of their way of life and the ultimate justification of their society." They see this as corresponding to what Leo Strauss identified as the "way of life" of the politeia or what T. S. Eliot called "culture"--shared judgments about the cosmic meaning of human existence that support social and political order. But they are disturbed by the evidence that Cicero thought that the theological, intelligent-design cosmology of the public orthodoxy was false, even though he might be obligated to avoid publicly denying it.
For Wilhelmsen and Kendall, no public orthodoxy can sustain itself if it is not grounded in some metaphysical conception of the cosmos as intelligently designed as a model for human morality and politics. In the case of Cicero, they see a conflict between theoretical truth (Socratic scepticism) and the customary beliefs required for society. Their solution to this problem is to assert that Christian revelation creates a bridge between transcendent truth and immanent social order. Our Christian faith that God is the source of all order guarantees that there will be no conflict between the truths of the soul and the truths of society. But they leave the reader wondering how this can be "theoretically guaranteed" so as to be immune to the sceptical doubts of Socratic philosophy.
Darwinian science continues the sceptical tradition of Cicero and Hume by showing how the moral order of human life can be based on the natural order of human nature. Even if the natural cosmos as a whole is morally indifferent, the species-specific nature of human beings can support moral distinctions.
If this is persuasive, then we should say that Aristotle was right when he argued in his biological works that in contrast to astronomy, the study of the nature of animals is more open to study, less dependent on traditional myths, and "more akin to our nature" than study of the divine cosmos (Parts of Animals, 642a).
An earlier post on comparing metaphysical conservatism and evolutionary conservatism can be found here.
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