—— 请按键盘 空白键 开始游戏 ——

The only limits in life are the ones you set for yourself.
The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.
We are not selling water, we are selling health and quality of life.
你必须对自己的能力有信心,然后足够坚强地坚持到底。