““Catholics believe that the Pope will never lead the Church into error, at least in his doctrinal formulations of matters of faith and morals. History well attests that popes can be corrupt, inept, and imprudent; but they have never — so Catholics claim — proposed as a matter of belief anything contrary to faith (CCC 890). Besides this, Catholics think there are purely logical reasons for why such a thing as a Magisterium is necessary. For the””
