The beauty of mathematics lies in its ability to describe the universe in the most elegant way possible.

Women are never disarmed by compliments. Men always are. That is the difference between sexes.

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.

解释：河流川泽中有污水，深山草野中藏有瘴气，美玉也有微小的瑕疵。

真正的友情在困难时才会被考验。