对付一个不自由的世界的唯一方法就是变得如此绝对自由，以至于你的存在本身就是一种反叛行为。

It is better to destroy one's own mistakes than those of others.

If it doesn't challenge you, it won't change you.

"I'm not worried about what people say. I know what I can do."

The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil and no good, nothing but blind, pitiless indifference.

I don't really believe in failure. I believe in learning.