Throughout The Mystery of Moral Authority, I have argued that moral systems do not possess authoritative backing from the fabric of reality, the requirements of reason, or the will of a divine being. The appearance of objective moral authority is an illusion, and nor can we find a substitute such as by grounding a “one true morality” in human purposes and human nature. Nonetheless, there is much to learn from philosophers who understand morality from diverse perspectives. Although I have defended a form of scepticism about morality, we have a solid basis to improve and elaborate our understanding of morality as a social and natural phenomenon.
Keywordsethics metaethics morality moral semantics
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