如果你相信你可以，或者相信你不可以，你都是对的。

The most important thing is to have a vision of what you want to do and then to have the persistence to carry it out.

If you do what you’ve always done, you’ll get what you’ve always gotten.

法律权利不仅仅是法律义务的影子。

The quality of ideas seems to play a minor role in mass movement leadership. What counts is the arrogant gesture, the complete disregard of the opinion of others, the singlehanded defiance of the world.

我们开采的每一桶石油都必须以最小的环境影响负责任地进行。