The future belongs to those who can make leather without leaving scars—on the earth or its people.

我们每个人，每天都在进行创造自己的行为。

Learning is the process of modifying symbolic structures to improve performance.

I don't sing because I'm happy. I'm happy because I sing.

The challenge in auction theory is to balance simplicity with strategic sophistication.

不懂得如何去爱却去爱，会伤害我们所爱的人。

人通过不怕失败地挑战而成长。