Plato, Epinomis 984b

ζωῇ διαφέροντα ἢ ταύτῃ ὡς πάντῃ ταύτῃ γεγένηται. νῦν οὖν δὴ περὶ θεῶν ἐγχειρῶμεν τό γε τοσοῦτον, τὰ δύο κατιδόντες ζῷα ὁρατὰ ἡμῖν, ἅ φαμεν ἀθάνατον, τὸ δὲ γήινον ἅπαν θνητὸν γεγονέναι, τὰ τρία τὰ μέσα τῶν πέντε τὰ μεταξὺ τούτων σαφέστατα κατὰ δόξαν τὴν ἐπιεικῆ γεγονότα πειραθῆναι λέγειν. αἰθέρα μὲν γὰρ μετὰ τὸ πῦρ θῶμεν, ψυχὴν δʼ ἐξ αὐτοῦ τιθῶμεν πλάττειν ζῷα δύναμιν ἔχοντα, ὥσπερ

life altogether, than in the way in which their existence is altogether fashioned. Well then, for the present let us attempt so much in treating of the gods, as to try—after observing the two living creatures visible to us, of which we call one immortal, and the other, all earthy, a mortal creation—to tell of the three middle things of the five, which come most evidently, according to the probable opinion, between those two. For let us consider ether as coming next after fire, and let us hold that soul fashions from it live creatures with their faculties, as it does creatures from the other kinds of element,