"The challenge in computer science is not just to solve problems, but to find the right problems to solve."

Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot.

电影应该是一种自由的表达，而不是商业的奴隶。

入住酒店房间时，先查看紧急出口。这只需要花一分钟时间。