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Rh bought, nor sold. Everything else is bought and sold for Labour, but Labour itself cannot be bought nor sold for anything, being priceless. The idea that it is a commodity to be bought or sold, is the alpha and omega of Politico-Economic fallacy.

60. This being the nature of labour, the "Cost" of anything is the quantity of labour necessary to obtain it;—the quantity for which, or at which, it "stands" (constat). It is literally the "Constancy" of the thing;—you shall win it—move it—come at it, for no less than this.

Cost is measured and measurable (using the accurate Latin terms) only in "labor," not in "opera." It does not matter how much work