No matter what he does, every person on earth plays a central role in the history of the world. And normally he doesn't know it.

爱不是有限的资源。

"The most profound discoveries often come from the simplest observations."

最好的故事是那些让你感觉与人性相连的故事。

领导力是激励人们实现他们认为不可能的事情。

财产权确实是人类的一项权利，与自由一样真实。

We have a responsibility to future generations to leave the planet in better shape than we found it.