The Wealth of Nations by Part 3 Chapter 4 Page 25

great proprietors. The merchants and artificers, much less ridiculous, acted merely from a view to their own interest, and in pursuit of their own pedlar principle of turning a penny wherever a penny was to be got. Neither of them had either knowledge or foresight of that great revolution which the folly of the one, and the industry of the other, was gradually bringing about.

It is thus that through the greater part of Europe the commerce and manufactures of cities, instead of being the effect, have been the cause and occasion of the improvement and cultivation of the country.

This order, however, being contrary to the natural course of things, is necessarily both slow and uncertain. Compare the slow progress of those European countries of which the wealth depends very much upon their