人真正的祖国是童年。
La verdadera patria del hombre es su infancia.
It’s not given to human beings to have such talent that they can just know everything about everything all the time. But it is given to human beings who work hard at it — who look and sift the world for a mispriced bet — that they can occasionally find one.
成功是一段旅程，而不是一个目的地。
数学中最令人兴奋的时刻是当你发现两个看似不相关的领域有着深刻的联系。