The stock market is filled with individuals who know the price of everything, but the value of nothing.

You can't trust code that you did not totally create yourself.

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.