大脑是我们迄今为止在宇宙中发现的最复杂的东西。

It is better by noble boldness to run the risk of being subject to half of the evils we anticipate than to remain in cowardly listlessness for fear of what might happen.

On choosing friends: "Life's too short to hang out with people who aren't resourceful."

市场并不完美，但设计良好的市场接近完美。