KJV ⁷ But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanseth us from all sin.

TR1550 ⁷ ἐὰν δὲ ἐν τῷ φωτὶ περιπατῶμεν, ὡς αὐτός ἐστιν ἐν τῷ φωτὶ, κοινωνίαν ἔχομεν μετ᾽ ἀλλήλων, καὶ τὸ αἷμα ἰησοῦ χριστοῦ τοῦ υἱοῦ αὐτοῦ καθαρίζει ἡμᾶς ἀπὸ πάσης ἁμαρτίας