It is a first principle of human action that a man does what he believes will satisfy his desires.

"Writing is like making love. Don’t worry about the orgasm, just concentrate on the process."

A proof is a device for convincing someone else that a mathematical statement is true.

一个设计良好的系统是能够随着时间的推移而发展，而不需要大量的返工。

潜意识如果没有进入意识，就会引导你的人生而成为你的命运。