The most powerful tool for change is knowledge, rigorously pursued and widely shared.

人在谈论自己时最不像自己。给他一个面具，他就会告诉你真相。

Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.

"Books are mirrors, but they are also windows."

释义：在遭受挫折、忍受屈辱的艰难时刻，一定要咬紧牙关，激励自己坚定志向。积蓄内心的力量，让自己的意志愈发坚韧，使志向得以长远发展，绝不因一时困境而退缩放弃。

It doesn't matter what your background is or where you come from, if you have dreams and goals, that's all that matters.

没有什么比一个显而易见的事实更具欺骗性。

每本书都是作者与读者之间的对话。

I cannot teach anybody anything。I can only make them think.