τὸ μέντοι κεφάλαιον, ἔφη, προσαναγκάζειν τὸν Σωκράτη ὁμολογεῖν αὐτοὺς τοῦ αὐτοῦ ἀνδρὸς εἶναι κωμῳδίαν καὶ τραγῳδίαν ἐπίστασθαι ποιεῖν, καὶ τὸν τέχνῃ τραγῳδοποιὸν ὄντα καὶ κωμῳδοποιὸν εἶναι. But the substance of it was, he said, that Socrates was driving them to the admission that the same man could have the knowledge required for writing comedy and tragedy -that the fully skilled tragedian could be a comedian as well. Plato, Symposium, 233D