The land which produces a certain quantity of food, clothes, and lodging, can always feed, clothe, and lodge a certain number of people; and whatever may be the proportion of the landlord, it will always give him a proportionable command of the labour of those people, and of the commodities with which that labour can supply him.

The value of the most barren lands is not diminished by the neighbourhood of the most fertile. On the contrary, it is generally increased by it. The great number of people maintained by the fertile lands afford a market to many parts of the produce of the barren, which they could never have found among those whom their own produce could maintain.

Whatever increases the fertility of land in producing food increases not only the value of the lands upon which the