—— 请按键盘 空白键 开始游戏 ——

The good man is the man who, no matter how morally unworthy he has been, is moving to become better.
The progress of mathematics is measured by the number of problems it can solve.
Numbing the pain for a while will make it worse when you finally feel it.
我相信每一个挑战都是一个成长的机会。