数学不是一项观赏性运动；要理解它，必须积极参与其中。

Learn how to tie a bowline knot. Practice in the dark. With one hand. For the rest of your life you’ll use this knot more times than you would ever believe.

In the fight between you and the world, back the world.

I'm not a product of the media. I'm a product of my own creativity.

当我停止相信自己能赢的那一天，就是我停止打网球的那一天。

"The beauty of books is that they can take you anywhere."

The root of the problem is the failure to distinguish between operational effectiveness and strategy.

Vote for the man who promises least; he'll be the least disappointing.

 释义：待人做事不能忍受麻烦，是一个人最大的毛病。