我认为悲伤是一种疯狂。它让你做出奇怪的事情。

一八一四年，俄、奥、普联军兵临巴黎城下，理工学校学生要求参战。后来，这句名言被刻在巴黎理工学校梯型大教室的天花板正中心，一直激励着该校师生奋发好学。

I truly believe that women should be financially independent from their men. And let’s face it, money gives men the power to run the show. It gives men the power to define value. They define what’s sexy. And men define what’s feminine. It’s ridiculous.

Time is a thief, but memory is a liar.

The best way to be successful is to learn from your mistakes.

The essence of mathematics lies in its freedom.

最持久的变化来自于理解问题的根本原因，而不仅仅是症状。

A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.