"Tennis has given me everything, and I want to give something back."

我们必须设计本质上是恢复性和再生性的系统。

Happiness is not something ready made. It comes from your own actions.

It is best to act with confidence, no matter how little right you have to it.

环境中的小变化会对行为产生巨大影响。

译文：精神、道德、言语、行动，大致上以收敛为主，发散是不得已而为之，天地间的人和事物都是这样。

作家真正的祖国是他的语言。