And I suggest a scale that people might use in order to decide how much is enough.

我也建议了一种捐款标准表,来帮助人们决定捐多少钱比较合适。

普林斯顿公开课 - 人性课程节选

I mean, you know the wings go, and the air runs, and then the motor on the engine and it's a miracle how it gets up there and that is the way I used to explain the Greeks, because I had no better idea.

我的意思是,你知道机翼的作用,空气的流动,还有引擎上的发动机,飞机能飞起来,是个奇迹,我就是用这种方式来解释希腊历史的,因为我也没有更好的方法了

耶鲁公开课 - 古希腊历史简介课程节选