now, we may note that the difference between purchase and sale which appeared but imaginary in the direct process of circulation, now becomes a real difference, since in the former case only the money is present and in the latter only the commodity, and in either case only that extreme is present from which the initiative comes. Besides, the two forms have this in common: that in either, one of the equivalents is present only in the common will of the buyer and seller,—a will that is binding on both and assumes definite legal forms.
Seller and buyer become creditor and debtor. While the commodity owner looked comical as the guardian of a treasure, he now becomes awe-inspiring, since he no longer identifies himself but his neighbor with a certain sum of money and makes him and not himself a martyr of exchange value. From a believer he becomes a creditor, for religion he substitutes law.
"I stay here on my bond!"
Thus, in the modified form C—M in which the commodity is present and money is only represented, money plays first of all the part of a measure of value. The exchange value of the commodity is estimated in money as its measure; but as exchange value, established by contract, price exists not only in the mind of the seller, but also as a measure of obligation on the part of the buyer. Besides serving as a measure of value, money plays here the part of a means of purchase, although in that capacity it only casts ahead the shadow of its future existence. It attracts the commodity from its position in the hand
