Mathematics is not a spectator sport. You have to get involved.

The true man wants two things: danger and play. For that reason he wants woman, as the most dangerous plaything.

不要看时钟；做它正在做的事。继续前进。

"To understand a person, you must first understand their silences."

所有好书都有一个共同点——它们比真实发生的事更真实。

避免审判的最佳方式就是为之做好准备。

伟大的设计在于创造出既美观又实用的东西。