Tiarnán’s Reviews > Grundrisse: Foundations of the Critique of Political Economy > Status Update

"Just as in theory the concept of value precedes that of capital, but requires for its pure development a mode of production founded on capital, so the same thing takes place in practice.

...

This determination of value, then, presupposes a given historic stage of the mode of social production and is itself something given with that mode, hence a historic relation."