Plato, Epinomis 981e

τε καὶ ἀέρος, ἔχει δὲ καὶ ἁπάντων τῶν ἄλλων βραχέα μέρη, διὸ δὴ ζῷά τε ἐξ αὐτῶν παντοδαπὰ γίγνεσθαι χρὴ φάναι καὶ ὁρώμενα, νομίσαι δὲ δὴ δεῖ πάλιν τὰ κατʼ οὐρανὸν ζῴων γένη, ὃ δὴ πᾶν χρὴ φάναι θεῖον γένος ἄστρων γεγονέναι, σώματος μὲν τυχὸν καλλίστου, ψυχῆς δʼ εὐδαιμονεστάτης τε καὶ ἀρίστης. δυοῖν δὲ αὐτοῖς μοιρῶν τὴν ἑτέραν χρὴ δόξῃ μεταδιδόναι σχεδόν· ἢ γὰρ ἀνώλεθρόν τε καὶ ἀθάνατον

air, and has slight portions of all the others also, wherefore we must say that all sorts of creatures are born of them, and things seen, and here again we must conceive the heavenly kinds of creatures, which altogether, we must agree, have been born as the divine race of stars, endowed with the fairest body as also with the happiest and best soul. One or other of two lots we may very well, in our judgement, assign to them: for each of them is either imperishable