Ἐὰν ἔρχεται κανεὶς σ᾽ ἐσᾶς καὶ δὲν φέρει τὴν διδαχὴν αὐτήν, νὰ μὴ τὸν δέχεσθε εἰς τὸ σπίτι σας καὶ νὰ μὴ τὸν χαιρετᾶτε,