Whosoever shall confess that Jesus is the Son of God, God dwelleth in him, and he in God.
Berean Study Bible (BSB) - 1 John 4:15 >If anyone confesses that Jesus is the Son of God, God abides in him, and he in God.
Textus Receptus (TR) - 1 John 4:15 >Ὃς ἂν ὁμολογήσῃ ὅτι Ἰησοῦς ἐστὶν ὁ υἱὸς τοῦ Θεοῦ, ὁ Θεὸς ἐν αὐτῷ μένει, καὶ αὐτὸς ἐν τῷ Θεῷ.