Keep pushing, keep believing, and never give up.

To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others.

The Internet is the most revolutionary thing I’ve seen in my entire life.

要理解心智，我们必须先理解它的进化目的。

我不想出名；我想在我做的事情上做到最好。

我们站在巨人的肩膀上，他们首先将地球想象为一个动态系统。