Mirari vos
“5. We speak of the things which you see with your own eyes, which We both bemoan. Depravity exults; science is impudent; liberty, dissolute. The holiness of the sacred is despised; the majesty of divine worship is not only disapproved by evil men, but defiled and held up to ridicule. Hence sound doctrine is perverted and errors of all kinds spread boldly. The laws of the sacred, the rights, institutions, and discipline–none are safe from the audacity of those speaking evil. Our Roman See is harassed violently and the bonds of unity are daily loosened and severed. The divine authority of the Church is opposed and her rights shorn off. She is subjected to human reason and with the greatest injustice exposed to the hatred of the people and reduced to vile servitude. The obedience due bishops is denied and their rights are trampled underfoot. Furthermore, academies and schools resound with new, monstrous opinions, which openly attack the Catholic faith; this horrible and nefarious war is openly and even publicly waged. Thus, by institutions and by the example of teachers, the minds of the youth are corrupted and a tremendous blow is dealt to religion and the perversion of morals is spread. So the restraints of religion are thrown off, by which alone kingdoms stand. We see the destruction of public order, the fall of principalities, and the overturning of all legitimate power approaching. Indeed this great mass of calamities had its inception in the heretical societies and sects in which all that is sacrilegious, infamous, and blasphemous has gathered as bilge water in a ship’s hold, a congealed mass of all filth.”
7. Indeed you will accomplish this perfectly if, as the duty of your office demands, you attend to yourselves and to doctrine and meditate on these words: "the universal Church is affected by any and every novelty"5 and the admonition of Pope Agatho: "nothing of the things appointed ought to be diminished; nothing changed; nothing added; but they must be preserved both as regards expression and meaning."6 Therefore may the unity which is built upon the See of Peter as on a sure foundation stand firm. May it be for all a wall and a security,a safe port, and a treasury of countless blessings.7 To check the audacity of those who attempt to infringe upon the rights of this Holy See or to sever the union of the churches with the See of Peter, instill in your people a zealous confidence in the papacy and sincere veneration for it. As St. Cyprian wrote: “He who abandons the See of Peter on which the Church was founded, falsely believes himself to be a part of the Church.”
