μὴ μόνον τοὺς ἁμαρτάνοντας κόλαζε, ἀλλὰ καὶ τοὺς μέλλοντας κώλυε → punish not only those who do wrong, but those who intend to do so
(cf. χρώς): skin or surface of the body, Il. 14.164†.
