真正的男人只需要两件事：危险和游戏。

当我们无力改变处境时，我们就被挑战去改变自己。

In international trade, a country should specialize in the production of goods for which it has a comparative advantage, and trade with other nations to maximize overall economic welfare.

I do gymnastics because I love it, not because I'm trying to be the best in the world.

平静：不要被琐事、普通或者不可避免的事所扰。