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.

当我还不会演戏的时候，我被要求去演戏。当我还不会唱歌的时候，我被要求唱

你必须在内心找到让你与众不同的东西。

When a professor insists computer science is X but not Y, have compassion for his graduate students.