A man is not a Jew because he is one outwardly, nor is circumcision only outward and physical.
Οὐ γὰρ ὁ ἐν τῷ φανερῷ Ἰουδαῖός ἐστιν, οὐδὲ ἡ ἐν τῷ φανερῷ ἐν σαρκὶ περιτομή·