This is the first instance in which a religion, and the orgies were so called by the Romans, was practised upon the Aventine in opposition to that of the State. It was not the last. Under Domitian, Juvenal found a host of Jews established there, on the eastern slope and about the fountain of Egeria, and thirty years before him Saint Paul lived on the Aventine in the Jewish house of Aquila and Priscilla where Santa Prisca stands today. It is worth noting that Aquila, an eagle, the German Adler, was already then a Jewish name. Little by little, however, the Jews went back to the Tiber, and the Aventine became the stronghold of the Christians; there they built many of their oldest churches, and thence they carried out their dead to the near catacombs of Saint Petronilla, the church better known as that of Saint Nereus and Saint Achillaeus. And there are many other ancient churches on the hill, and on the road that leads to Saint Sebastian's gate, and beyond the walls, on the Appian Way as far as Saint Callixtus; lonely, peaceful shrines, beautiful with the sculptures and pavements and mosaics of the Cosmas family who lived and worked between six and seven hundred years ago. On the other side of the hill, near the Circus, Saint Augustine taught rhetoric for a living, though he knew no Greek and was perhaps no great Latin scholar either--still an unbeliever then, an astrologer and a follower after strange doctrines, one whom no man could have taken for a future bishop and Father of the Church, who was to be author of two hundred and thirty-two theological treatises, as well as of an exposition of the Psalms and the Gospels. Here Saint Gregory the Great, once Prefect of Rome, preached and prayed, and here the fierce Hildebrand lived when he was young, and called himself Gregory when he was Pope, perhaps, because he had so often meditated here upon the life and acts of the wise Saint, in the places hallowed by his footsteps. Later, the Aventine was held by the Savelli, who dwelt in castles long since destroyed, even to the foundations, by the fury of their enemies; and there the two Popes of the house, Honorius the Third--a famous chronicler in his day--and Honorius the Fourth, found refuge when the restless Romans 'annoyed them,' as Muratori mildly puts it. They were brave men in their day, mostly Guelphs, and faithful friends of the Colonna, and it is told how one of them died in a great fight between Colonna and Orsini.