2 John 1:9

πᾶς ὁ παραβαίνων καὶ μὴ μένων ἐν τῇ διδαχῇ τοῦ Χριστοῦ Θεὸν οὐκ ἔχει ὁ μένων ἐν τῇ διδαχῇ τοῦ Χριστοῦ οὗτος καὶ τὸν πατέρα καὶ τὸν υἱὸν ἔχει