Capital: A Critique of Political Economy Vol 3: The Process of Capitalist Production as a Whole
"In $M — M'$ we have the meaningless form of capital, the perversion and objectification of production relations in their highest degree: the interest-bearing form, the simple form of capital, in which it antecedes its own process of reproduction. It is the capacity of money, or of a commodity, to expand its own value independently of reproduction — which is a mystification of capital in its most flagrant form."
