"Maybe you can afford to wait. Maybe for you there’s a tomorrow. Maybe for you there’s one thousand tomorrows, or three thousand, or ten, so much time you can bathe in it, roll around it, let it slide like coins through your fingers. So much time you can waste it. But for some of us there’s only today. And the truth is, you never really know."

晏子春秋

拥有得越多，欲望就越大。

You think you know when you can learn, are more sure when you can write, even more when you can teach, but certain when you can program.

人越老，就越喜欢不正经的东西。

如果你重复今天你做的事情365天，那一年后你会成为你想成为的人吗？

The most important skill in mathematics is the ability to think clearly.

I don't mind being a symbol but I don't want to become a monument. There's a difference.