The simplest solutions are often the most elegant.

心理学必须关注意识的实用性。

Let's go invent tomorrow instead of worrying about what happened yesterday.

这句话其实是莎士比亚借哈姆雷特之口说的，但是霍金非常喜欢，曾在自己著作中多次引用，所以很多人误以为本句话是霍金说的。

I think the best moments in music are when you're completely surprised.

"The stream of thought flows toward survival."

我不是人类，我是火星人。