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.

我们需要愿意面对不确定性，承担风险，并在犯错时迅速行动，认识到失败是通往精通的必经之路。

Sometimes silence between the notes is just as important as the notes themselves.