P与NP问题是计算机科学中最重要的一个问题之一。
The P versus NP problem is one of the most important problems in computer science.
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
未来属于那些敢于梦想并付诸行动的人。
Neither power nor wealth, only the scepters of art endure.
Dream big, work hard, and stay humble.
战略的核心包含三个要素:诊断、指导方针和连贯的行动。