不要让失败定义你，把它当作通往更好的垫脚石。
The mind is a system of organs of computation, designed by natural selection to solve the kinds of problems our ancestors faced in their foraging way of life.
理论物理学中的知识追求是一场没有终点的旅程，每一个答案都会引出新的问题。
今天种下的每一棵树都是留给明天的遗产。