The value of life lies not in the length of days，but in the use we make of them.
生命的价值不在于能活多少天，而在于我们如何使用这些日子。
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.
成功不是目的地，而是你走过的路。
In the realm of theoretical computer science, we often find that the most profound insights come from the simplest ideas.