我画的是被反射的光，而不是被接收的光。

权力不是别人给你的。你必须自己去争取。

The best leaders are those who can see the potential in people and help them realize it.

社会结构的研究是对社会关系系统的研究。

心理学家必须是一个严格的实证主义者。

The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

What would you do if you weren't afraid?

I love the man that can smile in trouble， that can gather strength from distress， and grow brave by reflection.

唯一真正的智慧在于知道自己一无所知。