| http://www.w3.org/ns/prov#value | - How is there any equality established in the price asked by different people for the same kinds of labor, when the price is based upon the estimate which each one makes of the repugnance of that labor to himself or herself personally,--when, too, it is well known that there exists such variety of tastes, or attractions and repulsions in different individuals for various kinds of industry?
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