—— 请按键盘 空白键 开始游戏 ——

The beauty of a mathematical proof is in its elegance and the way it reveals the underlying truth in a clear and concise manner.
Happiness is holding someone in your arms and knowing you hold the whole world.
I'm not a morning person, I'm a night owl.
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."