—— 请按键盘 空白键 开始游戏 ——

The beauty of mathematics lies in its ability to describe the world in a precise and elegant way.
The only way to tell the truth is to speak without fear of the consequences.
The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.
The only thing you absolutely have to know is the location of the library.
数学不是一项观赏性运动。你必须亲自去做才能理解它。
市场瞬息万变,唯有以变应变才能立于不败之地。