数学中的每个问题都是一个等待解决的谜题，而乐趣就在于解决的过程。
伟大表演的关键不是假装，而是成为。
The psychologist must describe, not explain.
I think the most important thing in life is to be able to look at yourself in the mirror and feel good about who you are.
It is error only, and not truth, that shrinks from inquiry.