Warren Buffett said it was not my idea. We are not controlling margins if you have option exchanges.

巴菲特说这不是我的主意，如果你有,期权交易的话我们不会控制保证金的。

斯坦福公开课 - 经济学课程节选

It seems unfair. Except at the margins, there isn't much we can do about physical attractiveness.

似乎老天不太公平，我们不太能改变自己的长相。

耶鲁公开课 - 心理学导论课程节选