快速行动，打破常规。除非你在打破常规，否则你的行动速度还不够快。
I’m not a pessimist. I’m an optimist trained in pessimism.
真正的教师是能够立即站在孩子立场上的人。
The task of psychology is to discover the laws of mental structure.
充满激情可以提高25点智商。
The journey of solving a mathematical problem is as important as the solution itself, for it teaches us patience, persistence, and the joy of discovery.
唯一使生活成为可能的是永久、难以忍受的不确定性；不知道接下来会发生什么。