—— 请按键盘 空白键 开始游戏 ——

I'm not afraid to fail, I'm afraid not to try.
走向自由,不管在哪,都没有轻松的道路;多数人在到达渴望的巅峰之前,都必须一次又一次穿过被死亡阴影所垄罩的幽暗山谷。
The beauty of mathematics lies in its ability to describe the fundamental laws of nature with precision and elegance.