But suppose that there were no land which did not afford a rent; then, the amount of rent on the worst land would be in proportion to the excess of the value of the produce above the expenditure of capital and the ordinary profits of stock: the same principle would govern the rent of land of a somewhat better quality, or more favourably situated, and therefore the rent of this land would exceed the rent of that inferior to it, by the superior advantages which it possessed; the same might be said of that of the third quality, and so on to the very best.