1 Corinthians 8:4

4ConcerningΠερὶtheτῆςeatingβρώσεωςthereforeοὖνof theτῶνthings sacrificed to idolsεἰδωλοθύτωνwe knowοἴδαμενthatὅτιnothingοὐδὲνan idolεἴδωλον[is] inἐν[the] worldκόσμῳ,andκαὶthat [there is]ὅτιnoοὐδεὶςGodθεὸςifεἰnotμὴoneεἷς.

Therefore concerning the eating of the [things] sacrificed to idols, we know that an idol [is] nothing in the world and that [there is] no God except one.