The purpose of government is to help those who cannot help themselves.

I think it's important to be able to laugh at yourself.

People can be divided into these types: strangers, acquaintances, familiar people, friends, and close friends. True friendship isn't about compliments to your face, but whether you're mentioned when they talk about friends behind your back.

永远不要停止质疑如何做得更好——自满是进步的敌人。

你并不总能得到你想要的，但有时，你会得到你需要的。

The most important political challenge of our time is to create strong, effective, and accountable states.

我们越是深入量子世界，就越意识到我们不知道的东西有多少。