我们生产的每一桶石油都应着眼于最小化我们的足迹。

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.

故事是一种不离家就能探索世界的方式。

The universe is not only stranger than we imagine, it is stranger than we can imagine.