Maybe we should say,oh,under normal circumstances, people can't be in two places at the same time.

或许我们应该说，正常情况下，人不可能同一时间出现在两个地方。

耶鲁公开课 - 死亡课程节选

If I'm going to be active in terms of managing my portfolio, should I spend my time and energy trying to beat the bond market?

如果我想主动地管理我的投资组合,是否应投入时间和精力,专注于战胜债券市场呢

耶鲁公开课 - 金融市场课程节选

And nothing in this world should be done before its time."

没有事物在它不该结束之前就结束

耶鲁公开课 - 美国内战与重建课程节选