Against the Heathen (Contra Gentes) 24

This, then, is no slight proof of their real godlessness. For, the gods for every city and country being many and various, and the one destroying the god of the other, the whole of them are destroyed by all. For those who are considered gods by some are offered as sacrifices and drink-offerings to the so-called gods of others, and the victims of some are conversely the gods of others. So the Egyptians serve the ox, and Apis, a calf, and others sacrifice these animals to Zeus. For even if they do not sacrifice the very animals the others have consecrated, yet by sacrificing their fellows they seem to offer the same. The Libyans have for god a sheep which they call Ammon, and in other nations this animal is slain as a victim to many gods. 2. The Indians worship Dionysus, using the name as a symbol for wine, and others pour out wine as an offering to the other gods. Others honour rivers and springs, and above all the Egyptians pay especial honour to water, calling them gods. And yet others, and even the Egyptians who worship the waters, use them to wash off the dirt from others and from themselves, and ignominiously throw away what is used. While nearly the whole of the Egyptian system of idols consists of what are victims to the gods of other nations, so that they are scorned even by those others for deifying what are not gods, but, both with others and even among themselves, propitiatory offerings and victims.