Of which impure plague, than which none is more detestable, those were the founders who attributed to man that by the light of nature each one could know and judge concerning doctrine divinely revealed by virtue of his own reason and judgment, and that there was no necessity to submit to the authority of the Church and the Roman Pontiff, whose sole right it is, by divine command and appointment to be the guardian of that doctrine, to hand it on and to judge truly concerning it.
ne Tiberium quidem caritate aut rei publicae cura successorem adscitum, sed quoniam adrogantiam saevitiamque eius introspexerit, comparatione deterrima sibi gloriam quaesivisse.vatican.va vatican.va