The Wealth of Nations by Part 3 Chapter 4 Page 24

the greatest revenue upon his own person, he frequently has no bounds to his expense, because he frequently has no bounds to his vanity or to his affection for his own person. In commercial countries, therefore, riches, in spite of the most violent regulations of law to prevent their dissipation, very seldom remain long in the same family. Among simple nations, on the contrary, they frequently do without any regulations of law, for among nations of shepherds, such as the Tartars and Arabs, the consumable nature of their property necessarily renders all such regulations impossible.

A revolution of the greatest importance to the public happiness was in this manner brought about by two different orders of people who had not the least intention to serve the public. To gratify the most childish vanity was the sole motive of the