—— 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.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
你必须愿意牺牲才能得到你想要的或你需要的。
My fans are my motivation to keep going.
The coal industry must evolve with technology to meet global energy demands sustainably.