Information is the key to the functioning of markets, and the lack of it can lead to market failures.

I don't believe in luck. I believe in hard work.

我总是感到，生活就象萌发于地下根茎的植株。生活的真正生命是不可见的，它深藏于地下根茎中，而显露出地面的可见一斑部分只能生存一个夏季。我们所见到的是将会消逝的花簇，而根茎长驻。

并不存在一个自由美国和一个保守美国的区别 - 只有团结的美利坚合众国。

Art belongs to everybody and nobody. Art belongs to all time and no time. Art belongs to those who create it and those who savor it. Art no more belongs to the people or the time than it belongs to the critics or the collectors.

A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between theories and the best mathematician can notice analogies between analogies.