人类大脑是一个复杂的自组织系统。

We must balance economic growth with environmental stewardship.

我确信宇宙中充满了智慧生命。只是它们太聪明了，不会来这里。

Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.

The very least you can do in your life is to figure out what you hope for. And the most you can do is live inside that hope. Not admire it from a distance but live right in it, under its roof.

未来属于那些愿意适应和进化的人。