—— 请按键盘 空白键 开始游戏 ——

生活是世界上最罕见的事情。大多数人只是存在,仅此而已。
Mathematics teaches us to think logically and to approach problems systematically.
The only limits in life are the ones you make.
永远不要让成功冲昏头脑,也不要让失败打击心灵。