In fact, a lot of ritual impurity is unavoidable and sometimes even obligatory, right?

事实上，很多仪式的不洁是无法避免的,有些时候甚至是必须的，不是么？

耶鲁公开课 - 旧约导论课程节选

The new prince, as we've seen, must know how to use religion but needs to learn how not to be used by religion, must not become a dupe of the religious.

正如我们所看到的，这种新型君主必须知道,如何去利用宗教而不是被宗教所利用,必须避免成为受宗教愚弄摆布的对象。

耶鲁公开课 - 政治哲学导论课程节选