The Wealth of Nations by Part 1 Chapter 11 Page 173

markets, are certainly much more extensive ones than they ever were before. After all the wonderful tales which have been published concerning the splendid state of those countries in ancient times, whoever reads, with any degree of sober judgment, the history of their first discovery and conquest, will evidently discern that, in arts, agriculture, and commerce, their inhabitants were much more ignorant than the Tartars of the Ukraine are at present. Even the Peruvians, the more civilised nation of the two, though they made use of gold and silver as ornaments, had no coined money of any kind. Their whole commerce was carried on by barter, and there was accordingly scarce any division of labour among them. Those who cultivated the ground were obliged to build their own houses, to make their own household furniture, their own clothes, shoes, and instruments of agriculture.