Plato, Laws 764c

τούτου κοινῇ μετὰ ἀστυνόμων ζημιοῦν δικάζοντας τῷ ἀδικοῦντι. τὰ αὐτὰ δὲ καὶ ἀστυνόμοις ἔστω ζημιώματά τε καὶ κολάσεις ἐν τῇ ἑαυτῶν ἀρχῇ, μέχρι μὲν μνᾶς αὐτοὺς ζημιοῦντας, τὴν διπλασίαν δὲ μετὰ ἀγορανόμων.μουσικῆς δὲ τὸ μετὰ τοῦτο καὶ γυμναστικῆς ἄρχοντας καθίστασθαι πρέπον ἂν εἴη, διττοὺς ἑκατέρων, τοὺς μὲν παιδείας αὐτῶν ἕνεκα, τοὺς δὲ ἀγωνιστικῆς. παιδείας μὲν βούλεται λέγειν ὁ νόμος γυμνασίων καὶ διδασκαλείων ἐπιμελητὰς

up to twice that amount, when acting in conjunction with the city-stewards. Similarly, the city-stewards shall have power of fining and punishing in their own sphere, fining up to a mina of their own motion, and up to twice that sum in conjunction with the market-stewards. It will be proper next to appoint officials for music and gymnastics,—two grades for each department, the one for education, the other for managing competitions. By education-officers the law means supervisors of gymnasia and schools, both in respect of their discipline