You can't approach to offer a sacrifice if you're not in a state of ritual purity already.

如果你不处于仪式上纯洁的状态,你将不能贡献祭品。

耶鲁公开课 - 旧约导论课程节选

So if you're impure at home and just minding your own business, it's no big deal. It's only a problem if you decide you want to go to the sanctuary. So purity and impurity are states of qualification or disqualification for contact with sancta.

如果在家的时候不纯洁，一心只关注自己的事情，这倒不是什么大事，只有当你想去圣所的时候,才是个问题，因此纯洁和不纯洁只是表明了,你是否有资格接触圣所。

耶鲁公开课 - 旧约导论课程节选

What do you think politics is, a game of moral purity?

你认为政治是什么，是关于道德纯洁的游戏？

耶鲁公开课 - 政治哲学导论课程节选

You have to learn, in other words, how to get your hands dirty. Between the innocence of the Christian and the worldliness of Machiavelli's new morality, there can be no reconciliation.

换句话说，你必须学会如何弄污你的手,在基督教的纯洁观与,马基雅维利新道德中的世俗观之间,没有任何回旋的余地。

耶鲁公开课 - 政治哲学导论课程节选