The most important property of a program is whether it accomplishes the intention of its user.

数据不是信息，信息不是知识，知识不是理解，理解不是智慧。

Happiness is not something ready made. It comes from your own actions.

No man is fit to hold office who isn't perfectly willing to leave it at any time...

I’m going to use all my tools, my God-given ability, and make the best life I can with it.

Lisp语言被设计成可扩展的，很容易为其添加新功能。

There is no such thing as a quality problem.

简短的词是最好的，又短又古老的词最最好。