The Wealth of Nations by Part 5 Chapter 1 Page 205

resides, not so much in the body corporate of which he is a member, as in some other extraneous persons- in the bishop of the diocese, for example; in the governor of the province; or, perhaps, in some minister of state it is not indeed in this case very likely that he will be suffered to neglect his duty altogether. All that such superiors, however, can force him to do, is to attend upon his pupils a certain number of hours, that is, to give a certain number of lectures in the week or in the year.

What those lectures shall be must still depend upon the diligence of the teacher; and that diligence is likely to be proportioned to the motives which he has for exerting it. An extraneous jurisdiction of this kind, besides, is liable to be exercised both ignorantly and capriciously. In its nature it is arbitrary and