计算的目的是洞察，而非数字。

The stories are not autobiographical, but they're personal in that way. I seem to know only the things that I've learned. Probably some things through observation, but what I feel I know surely is personal.

Man is always something more than what he knows about himself. He is not what he is simply once and for all, but is a process.

All who joy would win must share it. Happiness was born a twin.

教育是保护的基础——人们保护他们所理解的东西。

"Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad."

最伟大的定理往往来自于对显而易见之事的质疑。