Cum Multa §10

¹⁰ The fundamental principle of this concord of which We speak is at once the same in religion and in every rightly constituted State; it is obedience to the lawful authority which orders, forbids, directs, legislates, and thus establishes harmonious union amid the diverse minds of men. We shall here have to repeat some well-known truths, which, however, ought not to be the subjects of mere speculative knowledge, but should become rules applicable to the practice of life.