Every tree planted today is a promise to tomorrow.

The biggest mistake you can make is thinking you know everything.

孔子说：“君子不能象器皿一样，只有一种用途。”

I don't believe in pessimism. If something doesn't come up the way you want, forge ahead. If you think it's going to rain, it will.

The most elegant mathematical proofs are those that reveal truth with simplicity.

即使在最黑暗的时刻，只要记得点亮灯光，就能找到幸福。

领导力不是关于掌控。它是关于照顾那些你负责的人。