The secret of change is to focus all of your energy not on fighting the old, but on building the new.

I don't think about age. I think about spirit.

Food security is the cornerstone of national security.

I believe that life is a gift, and I try to celebrate it every day through my music.

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.

城市是一个活生生的东西，总是在变化，又总是一样。

唯一真正的死亡是精神的死亡。

我们都是自己生活的囚徒，但有些人比其他人更自由。