The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.

The difference between stupid and intelligent people—and this is true whether or not they are well-educated—is that intelligent people can handle subtlety.

教师的任务是引导学生从已知走向未知。

当其他年轻人都在下西洋跳棋时，我已在下西洋象棋了。

她不仅仅是我的妈妈，她还是她自己。

最重要的是能够像经济学家一样思考，透过这个视角看世界。

贫穷的时候最能表现出一个人是否清廉，富裕的时候最能表现出一个人是否讲求仁义。