每一个数学定理都是一个等待被讲述的故事，一个等待被解开的谜团。

The only difference between a rat and a human is that a rat learns from experience.

Psychology must be based on observable facts, not speculation.

当我们编写可以“学习”的程序时，事实证明我们是这样做的，而他们不是。

If I have seen further it is by standing on the shoulders of Giants.

The world is a book, and those who do not travel read only one page.

The theory of probabilities is at bottom nothing but common sense reduced to calculus.