对付一个不自由的世界，唯一的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。

The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. )

The moment the idea is admitted into society that property is not as sacred as the laws of God, and that there is not a force of law and public justice to protect it, anarchy and tyranny commence.

Leadership is about inspiring people to do things they never thought they could.

"The world is a very puzzling place, and it is a great privilege to be able to think about it."

The purpose of business is to make a positive impact, not just a profit.