Life has to be given a meaning because of the obvious fact that it has none.

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.

压力一直都在，但我把它当作推动自己前进的动力。

Mathematics is the key and door to the sciences.

We want Google to be the third half of your brain.

The reason that the invisible hand often seems invisible is that it is often not there.