宇宙是对称群表示的巨大直积。

Every wood grain whispers a history—our job is to listen and honor it.

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.

The only limits you have are the ones you set for yourself.

人は誰でも、一度は自分を見失うことがある。大切なのは、そこからどう立ち直るかだ。

恐惧不能阻止死亡，它阻止生活。