1Kant. The Doctrine of Virtue, University of Pennsylvania,1964.
2Philippa Foot.Morality as a System of Hypothetical Imperatives,in Virtues and Vices and Other Essays in Moral Philoso-phy ,Berkeley and Los Angeles.University of California Press, 1978.
3.《李觏集》[M].中华书局,1981年版..
4.《张载集》[M].中华书局,1978年版..
5Nicomachean Ethics(Book v).The Basic Works of Aristotle,Randon House,Inc.1941.