数学直觉就像肌肉一样 - 通过锻炼会变得更强大。

Man is so much the voice of his interest that it is not enough to make him see the right， but you must make him feel it.

The curious paradox is that when I accept myself just as I am, then I can change.

The greatest happiness of the thinking man is to have fathomed the fathomable, and to quietly revere the unfathomable.

专家就是在一个非常狭窄的领域里犯了所有可能犯的错误的人。