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'm not a product of my environment. My environment is a product of me.

制造工艺的每一个纳米进步，背后都是无数工程师的心血。

For the best results with your children， spend only half the money you think you should， but double the time with them.

The architect must be a servant of the people.