therefore, to point out that actions which are accepted as morally correct in one society or historical period may be considered morally reprehensible in another. Neither does Kant argue that men will always do what they feel they ‘ought’ to do. He simply observes that the feeling that one ‘ought’ to act in a certain way appears to be universal. This leads him to ask whether this experience gives us any clue to the nature of the world. He argues that if the sense of ‘ought’ is real it is possible