In mathematics, as in life, the most profound discoveries often come from asking the simplest questions.

The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.

生活似乎是用一种焦虑代替另一种焦虑，用一种欲望代替另一种欲望的过程。

I don't dream at night. I dream all day. I dream for a living.

中心地是总旅行距离最小的点。

The past is the only dead thing that smells sweet.