Tertullian

“ What wonder, then, if idolatry pollutes the combat-parade with profane crowns, with sacerdotal chiefs, with attendants belonging to the various colleges, last of all with the blood of its sacrifices? To add a completing word about the “place”—in the common place for the college of the arts sacred to the Muses, and Apollo, and Minerva, and also for that of the arts dedicated to Mars, they with contest and sound of trumpet emulate the circus in the arena, which is a real temple—I mean of the god whose festivals it celebrates. ”