καὶ τὸ εἶδος τῶν τροχῶν ὡς εἶδος θαρσις καὶ ὁμοίωμα ἓν τοῖς τέσσαρσιν καὶ τὸ ἔργον αὐτῶν ἦν καθὼς ἂν εἴη τροχὸς ἐν τροχῷ