The Wealth of Nations by Part 5 Chapter 1 Page 206

discretionary, and the persons who exercise it, neither attending upon the lectures of the teacher themselves, nor perhaps understanding the sciences which it is his business to teach, are seldom capable of exercising it with judgment. From the insolence of office, too, they are frequently indifferent how they exercise it, and are very apt to censure or deprive him of his office wantonly, and without any just cause. The person subject to such jurisdiction is necessarily degraded by it, and, instead of being one of the most respectable, is rendered one of the meanest and most contemptible persons in the society.

It is by powerful protection only that he can effectually guard himself against the bad usage to which he is at all times exposed; and this protection he is most likely to gain, not by ability or diligence in his