If, then, I do not know the meaning of someone’s language, I am a foreigner to the speaker, and he is a foreigner to me.
Textus Receptus (TR) - 1 Corinthians 14:11 >Ἐὰν οὖν μὴ εἰδῶ τὴν δύναμιν τῆς φωνῆς, ἔσομαι τῷ λαλοῦντι βάρβαρος, καὶ ὁ λαλῶν ἐν ἐμοὶ βάρβαρος.