It is not by the absolute quantity of produce obtained by either class, that we can correctly judge of the rate of profit, rent, and wages, but by the quantity of labour required to obtain that produce.
David RicardoBut it is clear that the price of labour has no necessary connection with the price of food, since it depends entirely on the supply of labourers compared with the demand.
David RicardoAdam Smith, and other able writers to whom I have alluded, not having viewed correctly the principles of rent, have, it appears to me, overlooked many important truths, which can only be discovered after the subject of rent is thoroughly understood.
David Ricardo