Gregory was Pope, and knew that he was Pope. Far from refusing the title, he showed that he was universal Bishop by excommunicating John the Faster, over whom he could not have had such jurisdiction had he not the privilege of being universal Bishop. In his 21st Epistle Gregory writes, “As to what they say of the Church of Christ, who doubts that it is subject to the Apostolic See?”
Radio Replies Volume 1 by Rev. Dr. Leslie Rumble MSC and Rev. Charles Mortimer Carty
