—— 请按键盘 空白键 开始游戏 ——

What is necessary to change a person is to change his awareness of himself.
The greatest blessing of our democracy is freedom. But in the last analysis, our only freedom is the freedom to discipline ourselves.
不要害怕提问。这就是你学习的方式。
For the strength of the Pack is the Wolf, and the strength of the Wolf is the Pack.
Mathematics is not a spectator sport.
凡是大国之所以不攻打小国的,必定是由于这个小国粮食充足,城郭修筑坚固,上下和谐一心。