The only objects of practical reason are therefore those of good and evil. For by the former is meant an object necessarily desired according to a principle of reason; by the latter one necessarily shunned, also according to a principle of reason.
WorksCritique Of Pure Reason; Critique Of Practical Reason; Critique Of Judgment; Prolegomena To Any Future Metaphysics; Answering The Question: What Is Enlightenment?; The Metaphysics Of Morals; Religion Within The Bounds Of Bare Reason