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.

辩论的时间已经结束；行动的时间就是现在。

我们今天所做的每一个决定都在塑造我们明天生活的世界。

没有自由，美德就无法存在。