The Wealth of Nations by Part 5 Chapter 1 Page 284

also some callings, which, though useful and even necessary in a state, bring no advantage or pleasure to any individual, and the supreme power is obliged to alter its conduct with regard to the retainers of those professions. It must give them public encouragement in order to their subsistence, and it must provide against that negligence to which they will naturally be subject, either by annexing particular honours to the profession, by establishing a long subordination of ranks and a strict dependence, or by some other expedient.

The persons employed in the finances, fleets, and magistracy, are instances of this order of men.

“It may naturally be thought, at first sight, that the ecclesiastics belong to the first class, and that their encouragement, as well as that of lawyers and