大萧条不是市场的失败，而是政策的失败。
In times of adversity and change, we really discover who we are and what we're made of.
To be human is to be vulnerable.
The study of Galois representations is a testament to the power of algebraic methods.
没有人富有到可以赎回自己的过去。
The supreme quality for leadership is unquestionably integrity. Without it， no real success is possible， no matter whether it is on a section gang， a football field， in an army， or in an office.
教育就是当一个人把在学校所学全部忘光之后剩下的东西。
As Will Rogers would have said, "There is no such thing as a free variable."