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.

过去是一个陌生的国度；他们做事的方式不同。

不要提出任何你不能通过实验证明的东西。

I’m not here to please everyone.

应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。