I can't relate to lazy people. We don't speak the same language.I don't understand you. I don't want to understand you.
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
It is not from the benevolence of the butcher, the brewer, or the baker that we expect our dinner, but from their regard to their own interest.
书是一面镜子:如果一只猿猴往里看,不太可能有一位使徒往外看。
Happiness cannot be pursued; it must ensue.
Every tree planted today is a promise to tomorrow.