最好的研究往往来自意想不到的观察。

过去是一个异国，他们在那里做事的方式不同。

We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard, because that goal will serve to organize and measure the best of our energies and skills, because that challenge is one that we are willing to accept, one we are unwilling to postpone, and one which we intend to win, and the others, too.

数学理论的真正价值在于它能够连接看似无关的想法。

还有什么地牢比自己的心更黑暗！还有什么狱卒比自己更无情！

我相信每个孩子都是艺术家。问题是我们长大后如何保持艺术家身份。

You have to be your own biggest believer before anyone else will believe in you.

Let’s face it, a nice creamy chocolate cake does a lot for a lot of people; it does for me.