Every book is a door to another world.

"Sometimes you have to lose yourself to find yourself."

领导力不是掌控，而是照顾好你负责的人。

"History is not the past—it is the method we have evolved of organizing our ignorance of the past."

数学不知道种族或地理边界；对于数学来说，文化世界是一个国家。

投票给承诺最少的人；他将是最不令人失望的。

"The greatest wisdom lies in understanding that we know nothing at all."

运气是准备遇到机会的结果。