抽象的力量使数学能够超越物理现实的限制。

"We travel not to escape life, but for life not to escape us."

最终，我们都只是故事，我们能期望的最好结果就是成为一个好故事。

The consequences of this problem make themselves felt in bookshops. When you go to a large bookshop and look at the self-help sections, as I sometimes do -- if you analyze self-help book sproduced in the world today, there are basically two kinds. The first kind tells you, "You can do it! You can make it! Anything's possible!" The other kind tells you how to cope with what we politely call "low self-esteem," or impolitely call, "feeling very bad about yourself."

Good econometrics is like good carpentry—it's all about using the right tool for the job.

I am not a liberator. Liberators do not exist. The people liberate themselves.