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.
In mathematics, the simplest questions often lead to the most profound discoveries.
I'm not a conversation, I'm a harmony.
别让太阳在我身上落下。
I don't have time to hate people who hate me, because I'm too busy loving people who love me.