—— 请按键盘 空白键 开始游戏 ——

The young do not know enough to be prudent, and therefore they attempt the impossible, and achieve it, generation after generation.
真相可能是一把双刃剑,两面都伤人。
Patience and persistence are the keys to unlocking the mysteries of mathematics.
The Internet is a tool for the empowerment of the individual.