> ## Content Index > Fetch the complete content index at: https://www.rebindclassics.com/llms.txt > Use this file to discover other available public pages before exploring further. # What May I Hope? Kant's God, and a Scholar Who Doesn't Believe - URL: https://www.rebindclassics.com/kant-god-immortality-guyer/ - Published: 2026-07-28T22:09:14.000Z - Updated: 2026-10-02T18:29:06.000Z - Description: Kant argued morality commits us to God and immortality. Paul Guyer, after a lifetime on Kant, believes in neither — and finds the moral law still standing. - Author: Andrew Wessels - Tags: Paul Guyer on Immanuel Kant, #context Immanuel Kant said the whole interest of reason comes down to three questions: What can I know? What should I do? What may I hope? The third is the strangest, because it leads Kant to argue that morality itself commits us to believing in God and the immortality of the soul. Paul Guyer, who has spent his life on Kant, walks through that argument with unusual authority, because he arrives at it as a man who believes in neither, and says so plainly. ## **The Highest Good and the Postulates of Practical Reason** The argument runs through [what Kant calls the highest good](https://www.rebindclassics.com/the-highest-good/), the state in which virtue and happiness finally match, where the good are also happy in proportion to their goodness. Morality demands that we work toward this. But nothing in the visible course of nature guarantees that virtue will ever be rewarded; the world as we find it distributes happiness with no regard for desert. So Kant reasons that if we are rationally to pursue the highest good, we must be able to believe it is achievable, and that requires two supports. Immortality, so the soul has endless time to approach the holiness the moral law demands; and God, as the author of a nature ordered so that virtue and happiness can ultimately coincide. These are [the postulates of practical reason](https://www.rebindclassics.com/kant-freedom-keystone/): not items of knowledge, but beliefs morality obliges us to affirm. ## **Where Kant Undercuts His Own Argument** Guyer tracks a quiet shift in how Kant handles these postulates across his later work, and it is telling. In the Critique of Practical Reason, the second Critique, the highest good seems to require a literally endless afterlife of moral progress. But later, Guyer notes, Kant increasingly treats the highest good as "something that we have to be able to think of as possible in the course of nature, in the course of the natural history of humankind." The picture moves from a supernatural ledger settled after death to a moral progress worked out within human history, if everyone does their part. God is not pushed out of this picture, Guyer is careful to say, but the emphasis migrates from the individual soul's eternity toward the species' historical progress. Guyer also catches Kant undercutting his own immortality postulate. If the point of an endless afterlife was to give the soul infinite time to achieve holiness, then Kant's later remarks about God's insight make that infinity unnecessary. God, "who can scrutinize everything including what's going on at the innermost level of any human being, will know if you have actually completely committed yourself to the moral law." And if God can read the heart's fundamental commitment directly, then, as Guyer puts it, "you do not need an infinite lifespan to do that." Kant says the one who scrutinizes all hearts will know your true moral status "at whatever point your life may be cut short." The infinite-progress argument and the heart-scrutiny argument sit uneasily together, and Guyer does not hide the seam. ## **A Kant Scholar Who Believes in Neither** Then comes the moment that makes this essay unlike a textbook. The interviewer asks Guyer directly whether he believes in God or an afterlife. His answer: "The answer is no. Neither one." He explains his disbelief in immortality with a materialist's clarity: "since consciousness can be so fully extinguished by damage to the body in this life, and that the body in turn can so fully disintegrate, I simply don't understand what an afterlife could be." He understands why people have hoped for one across the millennia, given how much misery fills human history, but he cannot find the ground for the hope, or even the reason to assume the next life would be better rather than "more of the same." On God, Guyer is equally candid, and his objection is philosophical rather than merely dismissive. He grants the force of the question that drives so many toward theism: "why is there something rather than nothing?" But naming God as the cause, he argues, only relabels the mystery. Without being able to observe that cause or say anything further about it, calling it God "just seems to me a placeholder." Answering "why is there something rather than nothing" with "because there was something different" does not, for Guyer, actually answer anything. "None of it works for me," he says, and then, characteristically, "I apologize to people that might offend, but there you go." ## **The Moral Law Still Standing** What makes this disclosure valuable rather than merely provocative is what Guyer affirms in the same breath. Disbelieving the postulates does not, for him, diminish Kant. Quite the opposite. What he finds profound in Kant's moral philosophy is "[his analysis of the moral law](https://www.rebindclassics.com/kant-categorical-imperative/) and his idea that [the moral law produces a feeling](https://www.rebindclassics.com/will-that-gives-the-law/)," [a feeling of respect](https://www.rebindclassics.com/respect/) that reason itself generates and that can move us to act. The moral law, closely linked to the nature of reason, turns out to be motivationally efficacious on its own. That, for Guyer, survives entirely without God or immortality. And it connects to a broader methodological point he makes: Kant's demand that we believe the highest good positively possible goes too far. To make it rational to pursue a great goal, Guyer argues, we do not need a "positive ground for asserting that it is possible." We only need "good reason to believe that it is not impossible." Not wish fulfillment, but the absence of proof that the goal cannot be reached. So [the third question, what may I hope](https://www.rebindclassics.com/what-may-i-hope/), gets from Guyer a double answer. Kant's answer was God and immortality, postulated because morality seemed to demand them. Guyer's answer, offered from inside a lifetime of Kant scholarship, is that we may hope without either, because morality does not actually need them, only the reasonable belief that its goals are not impossible. What endures, in his reading, is the thing Kant put at the center of everything: the moral law, and the feeling of awe it produces, the "moral law within" that fills the mind with admiration whether or not the starry heavens hide a God behind them. Guyer takes the postulates away and finds the moral law still standing, which may be the most Kantian conclusion of all.