Plato, Laws 934b

χρόνον ἢ τὸ παράπαν μισῆσαι τὴν ἀδικίαν αὐτόν τε καὶ τοὺς ἰδόντας αὐτὸν δικαιούμενον, ἢ λωφῆσαι μέρη πολλὰ τῆς τοιαύτης συμφορᾶς. ὧν δὴ πάντων ἕνεκα χρὴ καὶ πρὸς πάντα τὰ τοιαῦτα βλέποντας τοὺς νόμους τοξότου μὴ κακοῦ στοχάζεσθαι δίκην τοῦ τε μεγέθους τῆς κολάσεως ἑκάστων ἕνεκα καὶ παντελῶς τῆς ἀξίας· ταὐτὸν δʼ ἔργον δρῶντα συνυπηρετεῖν δεῖ τῷ νομοθέτῃ τὸν δικαστήν, ὅταν αὐτῷ τις νόμος ἐπιτρέπῃ τιμᾶν ὅτι χρὴ πάσχειν τὸν κρινόμενον

or at least renounce to a great extent such lamentable conduct. For all these reasons and with a view to all these objects, the law, like a good archer, must aim in each case at the amount of the punishment, and above all at its fitting amount; and the judge must assist the lawgiver in carrying out this same task, whenever the law entrusts to him the assessment of what the defendant is to suffer or pay,