面对世俗的烦恼要能忍耐，处身纷扰的世事之中要能安闲，心中牵挂的事要能抛开，在功名利禄面前要淡然处之，心怀忿怒之时要能抑制住情绪。
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.
人生只能做自己决定的事情。但是，自己决定的事情，什么都能做到。
The challenge of our time is to create a sustainable energy future.