Power is not a tool, it is a relationship. It exists between people, not within them.

我对菲律宾——我从那里过来——的人民说过，我会回来的。今夜，我再说一遍那句话：我会回来的！

The key to success is to risk thinking unconventional thoughts.

科学的每一个伟大进步都源于想象力的新大胆。