You’ve got to have models in your head. And you’ve got to array your experience—both vicarious and direct—on this latticework of models. You may have noticed students who just try to remember and pound back what is remembered. Well, they fail in school and in life. You’ve got to hang experience on a latticework of models in your mind.

I never wanted to be a rock star. I just wanted to play music.

Global challenges require global thinking and local action.

定义属于下定义的人，而不属于被定义的人。

Research is not just about answering questions but also about asking the right ones.

要养活世界，我们必须首先学会尊重地球的极限。

自信是关键，但傲慢会毁了你。

Leadership is about inspiring others to achieve what they thought was impossible.