“M–L is the characteristic moment of the transformation of money capital into productive capital, for it is the essential condition without which the value advanced in the money form cannot really be transformed into capital, into value-producing surplus-value. M–mp is necessary only in order to realize the mass of labour bought by way of M–L.”

“M–L is the characteristic moment of the transformation of money capital into productive capital, for it is the essential condition without which the value advanced in the money form cannot really be transformed into capital, into value-producing surplus-value. M–mp is necessary only in order to realize the mass of labour bought by way of M–L.”

— Karl Marx