我做过的最有争议的事情就是坚持下来。

人的感情容易变化反复，人生之路常会崎岖不平。

自由是通过实践养成的习惯。

每个故事都有结局，但在生活中每个结局都是新的开始。

The purpose of literature is to turn blood into ink.

The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.