Plato, Euthydemus, Protagoras, Gorgias, Meno, Εὐθύδημος 280:

οὐ δήπου, ἦν δ’ ἐγώ, καὶ ἐσ μαχαίρασ γε κυβιστᾶν καὶ ἐπὶ τροχοῦ δινεῖσθαι τηλικοῦτοσ ὤν, οὕτω πόρρω σοφίασ ἥκεισ;