St. Optatus, "The Schism of the Donatists," c. 367 A.D. "[Christ] made answer: 'You are Peter, and upon this rock will I build my Church . . .' Could he not, then, strengthen the faith of the man ...

St. Jerome, a biblical scholar of the fourth century, wrote in a letter: “I follow no leader save Christ, so I enter into communion with … the Chair of Peter, for this I know is the rock upon ...