"There is a strong sense of disquiet, I think perhaps among some there is a sense of betrayal, the social contract has been sundered,".

VOA: standard.2009.09.09

You can prove that, in fact, if you were writing a contract, if there was a social planner you'd work more.

事实上你会发现,如果有书面合同,或者有个规划师的话人们会超常发挥

耶鲁公开课 - 博弈论课程节选

Or, if you don't believe Spinoza, if you don't believe his authority is sufficient, consider someone who you'll be reading in a couple of weeks, Jean-Jacques Rousseau, from the Social Contract.

或者，假如你不相信斯宾诺莎，假如你不信,他的权威性，那么想一想几星期之后,你们将要读到的一个人，让·雅克·卢梭，在《社会契约论》中。

耶鲁公开课 - 政治哲学导论课程节选