Such then in number and importance are the precious ties belonging to the Christian name which keep a believer in the Catholic Church, as it is right they should … With you, where there is none of these things to attract or keep me… No one shall move me from the faith which binds my mind with ties so many and so strong to the Christian religion… For my part, I should not believe the gospel except as moved by the authority of the Catholic Church.

St. Augustine (354–430): Against the Epistle of Manichaeus called Fundamental, chapter 4: Proofs of the Catholic Faith