Parallel
1 John 4:15
Patriarchal Greek New Testament (1904) · Berean Standard Bible
ὃς ἂν ὁμολογήσῃ ὅτι Ἰησοῦς ἐστιν ὁ υἱὸς τοῦ Θεοῦ, ὁ Θεὸς ἐν αὐτῷ μένει καὶ αὐτὸς ἐν τῷ Θεῷ.
If anyone confesses that Jesus is the Son of God, God abides in him, and he in God.