如果你做不到，那就去教别人。
If you cannot do it, then teach.
农业的成功源于对土地和耕种者的理解。
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.
信任是在果园里赢得的，而不是在会议室。