Every problem in NP can be reduced to the satisfiability problem, which is the cornerstone of computational complexity theory.

"In the end, we will remember not the words of our enemies, but the silence of our friends."

在爱情中我们都是傻瓜。

I don't believe in luck. I believe in preparation meeting opportunity.

Writing is making sense of life. You work your whole life and perhaps you've made sense of one small area.