2 Peter 2:22

22Has happenedσυμβέβηκενto themαὐτοῖςthe thingτὸof theτῆςtrueἀληθοῦςproverbπαροιμίας·A dogΚύωνhaving returnedἐπιστρέψαςtoἐπὶ[its]τὸownἴδιονvomitἐξέραμα,andκαί·A sowὟςhaving washedλουσαμένηto [her]εἰςrolling placeκυλισμὸνin [the] mireβορβόρου.

The thing of the true proverb has happened to them: “A dog having returned to [its] own vomit,” and, “A sow, having washed, to [her] rolling place in the mire.”