—— 请按键盘 空白键 开始游戏 ——

Collaboration in mathematics is essential; no one can solve all the problems alone.
The modern state is characterized by its ability to concentrate and use power effectively.
保持一颗永不僵硬的心,一种永不疲倦的性情,以及一种永不伤人的态度。
对世界抱有理想化的看法是错误的。这就是麻烦的开始。这就是一切开始瓦解的地方。