学习Lisp是值得的，因为当你最终理解它时，你将获得深刻的启蒙体验；这种体验将使你在余下的日子里成为一个更好的程序员，即使你实际上并不经常使用Lisp本身。
Everyone thinks of changing the world, but no one thinks of changing himself.
The only service a friend can really render is to keep up your courage by holding up to you a mirror in which you can see a noble image of yourself.
The greatest leaders are not necessarily the ones who do the greatest things. They are the ones that get the people to do the greatest things.
故事是有生命的东西；它随着每一次讲述而生长。
The mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors.