The brain caps off its second and last growth spurt in your 20s as it rewires itself for adulthood.

You have to believe in yourself when no one else does.

世界的秩序不是给定的，而是构建的。

The other thing about modern society and why it causes this anxiety, is that we have nothing at its center that is non-human. We are the first society to be living in a world where we don't worship anything other than ourselves. We think very highly of ourselves, and so we should; we've put people on the Moon, done all sorts of extraordinary things. And so we tend to worship ourselves.

When we love, we always strive to become better than we are. When we strive to become better than we are, everything around us becomes better too.

Life is about growth and change. When you stop growing, you stop living.

The computer is a medium of expression, like a piano is a medium of expression.

最大的风险是不冒任何风险。在一个快速变化的世界里，唯一注定失败的策略就是不冒险。

最终，我们都只是在试图找到自己在宇宙中的位置。