—— 请按键盘 空白键 开始游戏 ——

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.
物理学不仅是一门科学,它是一种思考世界的方式。
I don’t like to lose—at anything—yet I’ve grown most not from victories, but setbacks.