一个人能遭受的最痛苦的痛苦是洞察很多却无能为力。

If a Nation expects to be ignorant and free in a state of civilization,it expects what never was and never will be....If we are to guard against ignorance and remain free,it is the responsibility of every American to be informed."

Success is not accidental, it requires persistence and hard work.

优秀的数学家不是知道所有答案的人，而是能提出正确问题的人。

我不会说我毫无畏惧。事实上，我希望我的恐惧感可以少一些，因为恐惧会让人无法集中精力，并且会彻底扰乱我的神经系统。