Theory. Moral knowledge and moral principles.- Victorian Matters. First principles and common-sense morality in Sidgwick's ethics ; Moral problems and moral philosophy in the Victorian Period.- On the historiography of moral philosophy. Moral crisis and the history of ethics ; Modern moral philosophy : from beginning to end? : No discipline, no history : the case of moral philosophy ; Teaching the history of moral philosophy.- Seventeenth- and eighteenth-century moral philosophy. The divine corporation and the history of ethics ; Natural law ; The misfortunes of virtue ; Voluntarism and the foundations of ethics ; Hume and the religious significance of moral rationalism.- On Kant. Why study Kant's Groundwork ; Autonomy, obligation, and virtue : an overview of Kant's moral philosophy ; Kant and Stoic ethics ; Toward enlightenment : Kant and the sources of darkness ; Kantian unsocial sociability : good out of evil.- Moral psychology. The active powers.- Afterword. Sixty years of philosophy in a life