What man actually needs is not a tensionless state but rather the striving and struggling for some goal worthy of him.

所有的变化，即使是最渴望的，也带着忧郁；因为我们留下的是一部分的自己；我们必须告别一种生活，才能进入另一种。

The best actors are the ones who are willing to be vulnerable.

A proof is a way to convince yourself and others that something is true.

You want to be extra rigorous about making the best possible thing you can. Find everything that's wrong with it and fix it. Seek negative feedback, particularly from friends.

算法的发展既是一门艺术，也是一门科学。