The Wealth of Nations by Part 5 Chapter 2 Page 216

In the first place, almost the whole capital of every country is annually distributed among the inferior ranks of people as the wages of productive labour. Secondly, a great part of the revenue arising from both the rent of land and the profits of stock is annually distributed among the same rank in the wages and maintenance of menial servants, and other unproductive labourers. Thirdly, some part of the profits of stock belongs to the same rank as a revenue arising from the employment of their small capitals. The amount of the profits annually made by small shopkeepers, tradesmen, and retailers of all kinds is everywhere very considerable, and makes a very considerable portion of the annual produce. Fourthly, and lastly, some part even of the rent of land belongs to the same rank, a considerable part of those who are somewhat below the middling rank, and a