Questions of good and bad, virtue and vice, appear on virtually every page of The Prince.

善恶，美德与邪恶的问题，几乎出现在《君王论》的每一页的篇幅中。

耶鲁公开课 - 政治哲学导论课程节选

I'm thinking of the general problem of the abstraction of virtue, an abstract notion of virtue. Think of all the questions that all of us at some point or other tend to associate with virtue.

我在思考贞操这个抽象概念，贞操这一抽象的概念，想想所有那些,我们时不时的会由贞操想到的问题。

耶鲁公开课 - 弥尔顿课程节选