Introduction; Part I. Learning From Aristotle and Aquinas: 1. Rival Aristotles: Aristotle against some Renaissance Aristotelians; 2. Rival Aristotles: Aristotle against some modern Aristotelians; 3. Natural law as subversive: the example of Aquinas; 4. Aquinas and the extent of moral disagreement; Part II. Ethics: 5. Moral dilemmas; 6. Truthfulness and lies: what can we learn from Mill?; 7. Truthfulness and lies: what can we learn from Kant?; Part III. The Politics of Ethics: 8. Three perspectives on Marxism; 9. Poetry as political philosophy: notes on Burke and Yeats; 10. Some Enlightenment projects reconsidered; 11. Social structures and their threat to moral agency; 12. Toleration and the goods of conflict.