A ferocious letter from the pope to the papal nuncios, on the 19th of March 1423, denounced the proceeding as calculated " to ensnare simple souls and extort from them a profane reward, thereby setting up themselves against the apostolic see and the Roman pontiff, to whom alone so great a faculty has been granted by God " (Cal.
A papal bull of the 15th of June 1520, which condemned forty-one propositions extracted from Luther's teachings, was taken to Germany by Eck in his capacity of apostolic nuncio, published by him and the legates Alexander and Caracciola, and burned by Luther on the 10th of December at Wittenberg.
Supreme apostolic authority, he lays down that a certain doctrine concerning faith or morals is binding, upon the universal Church, - possesses, by the Divine assistance which was promised to him in the person of the blessed Saint Peter, that same infallibility with which the Divine Redeemer thought fit to endow His Church, to define its doctrine with regard to faith and morals; and, consequently, that these definitions of the Roman Pontiff are irreformable in themselves, and not in consequence.
For this exercise of the primacy as for the others, we must conceive of the pope and the episcopate united to him as a continuation of the Apostolic College and its head Peter.
Several conventions guarantee the free communication of the bishops, clergy and laity with the Holy See; and this admits of the publication and execution of apostolic letters in matters spiritual.