The Wealth of Nations by Part 2 Chapter 4 Page 2

industrious. He can, in this case, neither restore the capital nor pay the interest without either alienating or encroaching upon some other source of revenue, such as the property or the rent of land.

The stock which is lent at interest is, no doubt, occasionally employed in both these ways, but in the former much more frequently than in the latter. The man who borrows in order to spend will soon be ruined, and he who lends to him will generally have occasion to repent of his folly.

To borrow or to lend for such a purpose, therefore, is in all cases, where gross usury is out of the question, contrary to the interest of both parties; and though it no doubt happens sometimes that people do both the one and the other; yet, from the regard that all men have for their own interest, we may be