Tertullian

We have, I think, faithfully carried out our plan of showing in how many different ways the sin of idolatry clings to the shows, in respect of their origins, their titles, their equipments, their places of celebration, their arts; and we may hold it as a thing beyond all doubt, that for us who have twice renounced all idols, they are utterly unsuitable. "Not that an idol is anything," as the apostle says, but that the homage they render is to demons, who are the real occupants of these consecrated images, whether of dead men or (as they think) of gods.