labor-time of the average, untrained worker. Again, you may waste your time, spending half of it looking out of the window or carrying on a flirtation. This wasted labor does not count in measuring value. The only labor that counts is the labor that is socially necessary under normal conditions for the production of the given commodity. Again, labor spent to produce a useless article does not produce value. To produce value the labor must serve to satisfy human wants. Now, I think this is quite clear so far. We know what surplus-value is. We know what value is and how it is measured. Let us now see what is meant by the Value of Labor-Power.
To begin with, what is Labor-Power? When a workingman goes upon the market to sell something for money with which to buy bread and butter and other necessaries of life, what has he to offer for sale? He cannot offer a finished commodity, such as a watch, a shoe, or a book, because he owns nothing. He has neither the necessary machinery, the necessary raw material, nor even the necessary place in which to work to make these things. These all belong to another class who by owning them, in fact, own him. He cannot offer labor for sale,
