Though love seems the fastest of all growths, it is really the slowest. No man or woman knows what perfect love is, until they have been married a quarter of a century.

We're in the business of entertainment, but we're also in the business of enlightenment.

I don't care what people say about me. I know who I am.

一九四九年六月三十日

在科学问题上，一千个人的权威抵不上一个人的谦逊推理。

数学的力量在于它的抽象性，使我们能够看到不立即显现的模式和联系。