农民是土地真正的守护者；他们的角色现在比以往任何时候都更为关键。

Every man's life ends the same way. It is only the details of how he lived and how he died that distinguish one man from another.

When a person realizes he has been deeply heard, his eyes moisten. I think in some real sense he is weeping for joy. It is as though he were saying, "Thank God, somebody heard me. Someone knows what it's like to be me."

最小的人类不可分割单位是两个人，而不是一个人。

It's not always about winning. It's about learning and getting better.

Well, the first rule is that you can’t really know anything if you just remember isolated facts and try and bang ’em back. If the facts don’t hang together on a latticework of theory, you don’t have them in a usable form.

Mathematics is a language that allows us to describe the indescribable.

林业实践的创新是平衡经济增长与环境保护的关键。

I don’t like to do easy things. I like to be challenged.

I want to liberate America from fear. I want people to feel free to express themselves.