The Wealth of Nations by Part 4 Chapter 9 Page 72

When the expense of fashionable dress is very great, the variety must be very small. But when, by the improvements in the productive powers of manufacturing art and industry, the expense of any one dress comes to be very moderate, the variety will naturally be very great. The rich, not being able to distinguish themselves by the expense of any one dress, will naturally endeavour to do so by the multitude and variety of their dresses.

The greatest and most important branch of the commerce of every nation, it has already been observed, is that which is carried on between the inhabitants of the town and those of the country. The inhabitants of the town draw from the country the rude produce which constitutes both the materials of their work and the fund of their subsistence; and they pay for this rude produce by sending back