—— 请按键盘 空白键 开始游戏 ——

Success is not final, failure is not fatal: It is the courage to continue that counts.
The P versus NP problem is one of the most important unsolved problems in computer science.
对于好建议,唯一能做的就是传递它。它对自己从来没有任何用处。
The moment you stop to think about whether you love someone, you've already stopped loving that person forever.
The human being is a most curious creature.