Euripides, Cyclops 334-5

“I don’t sacrifice to the gods or anyone but myself and my stomach, that greatest of deities.”

ἁγὼ οὔτινι θύω πλὴν ἐμοί, θεοῖσι δ᾽ οὔ,
καὶ τῇ μεγίστῃ, γαστρὶ τῇδε, δαιμόνων.