Plato, Hippias Major, Hippias Minor, Ion, Menexenus, Cleitophon, Timaeus, Critias, Minos, Epinomis, Ιὤν 2:

τὸν Ιὤνα χαίρειν. πόθεν τὰ νῦν ἡμῖν ἐπιδεδήμηκασ; ἢ οἴκοθεν ἐξ Ἐφέσου; οὐδαμῶσ, ὦ Σώκρατεσ, ἀλλ’ ἐξ Ἐπιδαύρου ἐκ τῶν Ἀσκληπιείων. μῶν καὶ ῥαψῳδῶν ἀγῶνα τιθέασιν τῷ θεῷ οἱ Ἐπιδαύριοι; πάνυ γε, καὶ τῆσ ἄλλησ γε μουσικῆσ. τί οὖν; ἠγωνίζου τι ἡμῖν; καὶ πῶσ τι ἠγωνίσω;