—— 请按键盘 空白键 开始游戏 ——

There is a stubbornness about me that never can bear to be frightened at the will of others. My courage always rises at every attempt to intimidate me.
Innovation in cement production must balance efficiency with environmental responsibility.
The mind is a network of interdependent processes.
The secret of change is to focus all of your energy, not on fighting the old, but on building the new.