The Wealth of Nations by Part 4 Chapter 9 Page 18

a part of the funds destined for their own subsistence. They annually reproduce nothing but those funds. Unless, therefore, they annually save some part of them, unless they annually deprive themselves of the enjoyment of some part of them, the revenue and wealth of their society can never be in the smallest degree augmented by means of their industry.

Farmers and country labourers, on the contrary, may enjoy completely the whole funds destined for their own subsistence, and yet augment at the same time the revenue and wealth of their society. Over and above what is destined for their own subsistence, their industry annually affords a net produce, of which the augmentation necessarily augments the revenue and wealth of their society. Nations therefore which, like France or England, consist in a great measure of