Stay hungry, stay foolish.

学习数学的最好方法就是做数学。

I believe in the magic of Christmas.

We usually see only the things we are looking for- so much so that we sometimes see them where they are not.

编程的艺术是组织复杂性的艺术，是掌握多样性并尽可能有效地避免其混乱的艺术。