Great design solves problems, but exceptional design anticipates them.

一个测量可用的常识：手臂伸直两测指尖的距离就是你的身高。

In science, we try to explain what we don't understand. In mathematics, we try to understand what we can't explain.

认真对待你喜欢的一切，除了你自己。

The individual has become a mere cog in an enormous organization of things and powers which tear from his hands all progress, spirituality, and value in order to transform them from their subjective form into the form of a purely objective life.

寻找互反律是数学史上的一个基本主题。

你不尝试就100%会错过机会。