世界是一个谜题；碎片散落一地，没有人有盒子上的图片。

The only thing that can make you a better person is yourself.

Every technological breakthrough comes from the exploration and persistence of the unknown.

No individual has any right to come into the world and go out of it without leaving behind him distinct and legitimate reasons for having passed through it.

数学的乐趣在于努力理解的过程。