我们只是一颗普通恒星的小行星上的一种高级猴子。但我们可以理解宇宙。这让我们变得非常特别。

Psychology must bridge the gap between theory and practical life.

Science is not about being right; it's about being less wrong.

为孩子画画是要抓住本质，而不是细节。

四元数的诞生，如同几何、代数、形而上学和诗歌这四位父母的奇特后代。

保持饥饿，保持愚蠢。

Effort counts twice.

Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are the change that we seek.

I have a dream, and that dream is worth every sacrifice I make.

The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends， and the other begins？