Leadership is not about being in charge but about taking care of those in your charge.

I try to leave every place a little better than I found it.

森林不仅仅是木材，它是生命、文化和遗产。

机会不会自己发生，你要去创造它们。

一种新的科学真理并不是通过说服其对手并让他们看到光明而取得胜利，而是因为其对手最终死去，一个熟悉它的新一代人成长起来。