I think once you get into a place, it's easy to be abstract, human right.

我想一旦你到了一个地方，人权这个话题很容易变得抽象。

普林斯顿公开课 - 人性课程节选

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