When we do relativity, we'll be dealing with vectors in space-time and we'll find that different observers disagree on what is this and what is that.

我们学习相对论的时侯,会涉及到时空矢量的问题,我们会发现观测者们对于观测的结果,有着不同的看法

耶鲁公开课 - 基础物理课程节选

Turning to the word literature, this is not theory of relativity, theory of music, or theory of government This is a course in theory of literature, and theory of literature shares in common with other kinds of theory the need for definition.

提到文学这个词，我们讲的不是不是相对论，音乐理论，或者政治理论,这是一门文学理论课程，和其他理论一样,它也需要定义。

耶鲁公开课 - 文学理论导论课程节选

Some of you are probably going to be doctors and you don't know why I'm going to do special relativity or quantum mechanics, but you don't know when it will come in handy.

你们中的有些人可能会成为医生,但你们现在不能理解,我为什么要讲相对论和量子力学,但是说不定什么时候,你就用上了呢

耶鲁公开课 - 基础物理课程节选