—— 请按键盘 空白键 开始游戏 ——

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
当我们爱时,我们总是努力变得比现在更好。当我们努力变得更好时,周围的一切也会变得更好。
The future is not something we enter; it's something we create.
But nothing that can be said can begin to take away the anguish and the pain of these moments. Grief is the price we pay for love.