如果所有的人都是富有的，那么所有的人都是贫穷的。

幸福就是与全世界分享我的音乐。

Success is measured not just by profits, but by the positive impact we have on the world.

Speak confidently as if you are right， but listen carefully as if you are wrong.

要理解递归，首先必须理解递归。