You got to be a farmer to understand these things-- not everything that you try works.

你要成为一位农民就必须理解,你所从事事业的方方面面

耶鲁公开课 - 古希腊历史简介课程节选

It eventually sticks in you but you shouldn't try to memorize everything.

它最后会铭刻在你的脑子里,但是你不应该试着记住所有的东西

耶鲁公开课 - 基础物理课程节选

And my purpose will be not to say something as a postulate, but to show you where everything comes from, and it's best for you if you try to follow the logic.

我的目的不是,简单地告诉你们一个假说,而是给你们讲清楚这个理论的来龙去脉,如果你们能理解推导过程那就再好不过

耶鲁公开课 - 基础物理课程节选