译文：立志别挑简单的目标，做事别躲困难的任务。

The best mathematics is timeless.

I don’t write for the reader; I write for myself.

译文：人生变化不定，富贵难以预料。

The writer must be able to superintend himself and criticize himself.

降低成本的最好方法是一开始就没有成本。

The study of formal languages and automata is essential for understanding the theoretical underpinnings of computer science.

I write songs about myself because that’s the only thing I know.

历史不仅仅是已经发生的事情，也是可能发生的事情。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

控制愤怒的情绪如同摧毁山峦般坚毅，又如救火一样迅疾；压制欲望如同填塞山谷一样有毅力，又如防洪一样果断。