(p.22) The presupposition of use value- the hypothesis of a concrete value beyond the abstraction of exchange value, a human purpose of the commodity in the moment of its direct relation of utility for a subject-is only the effect of the system of exchange value, a concept produced and developed by it.

(p.30) In this sense need, use value, and the referent "do not exist". They are only concepts produced and projected into a generic dimension by the development of the very system of exchange value.

(p.30) By the same token, the double potentiality of man as needs and labor power, this double "generic" face of universal man, is only man as produced by the system of political economy. And productivity is not primarily a generic dimension, a human and social kernel of all wealth to be extracted from the husk of capitalist relations of production (the eternal empiricist illusion). Instead, all this must be overturned to see that the abstract and generalized development of productivity (the developed form of political economy) is what makes the concept of production itself appear as man's movement and generic end...