[...] Heinrich's basic point is that value does not exist in the individual commodity, but only in exchange, and the all-sided exchange of commodities (in contrast to the exchange of isolated products) exists only as reference of commodities to money" [...] Money is "not simply a formal translation of an immanent magnitude of value that has already measured the quantity of value. It is rather the necessary and above all the only possible form of the appearance of the commodity value, there can be no form of appearance of value that is independent of exchange" [...]