计算机科学中数学的美在于它能够用抽象概念建模和解决现实世界的问题。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

Never forget that you are a unique existence; your existence itself is a miracle.

快乐的人，只有快乐的人，是能把今天称为自己所有的那个人。