In populous cities, which are the seat of commerce and manufactures, the middle ranks of inhabitants, who derive their subsistence from the dexterity or labour of their hands, are commonly the most prolific, the most useful, and, in that sense, the most respectable part of the community.
The History of the Decline and Fall of the Roman Empire. The 2. Ed. - London, W. Strahan 1776-1788 (ed. 1781)