Plato, Republic, book 3 292:

ἀλλὰ τόδε γε, ὅτι τὸ τῆσ εὐσχημοσύνησ τε καὶ ἀσχημοσύνησ τῷ εὐρύθμῳ τε καὶ ἀρρύθμῳ ἀκολουθεῖ, δύνασαι διελέσθαι;