Of them the proverbs are true: “A dog returns to its vomit,” and, “A sow that is washed goes back to her wallowing in the mud.”
Textus Receptus (TR) - 2 Peter 2:22 >Συμβέβηκε δὲ αὐτοῖς τὸ τῆς ἀληθοῦς παροιμίας, Κύων ἐπιστρέψας ἐπὶ τὸ ἴδιον ἐξέραμα, καὶ ὗς λουσαμένη εἰς κύλισμα βορβόρου.