Plato, Epinomis 984c

τῶν ἄλλων γενῶν, τὸ πολὺ μὲν τῆς αὐτοῦ φύσεως, τὰ δὲ σμικρότερα συνδέσμου χάριν ἐκ τῶν ἄλλων γενῶν· μετὰ δὲ τὸν αἰθέρα ἐξ ἀέρος πλάττειν τὴν ψυχὴν γένος ἕτερον ζῴων, καὶ τὸ τρίτον ἐξ ὕδατος. πάντα δὲ δημιουργήσασαν ταῦτα ψυχὴν ζῴων εἰκὸς ὅλον οὐρανὸν ἐμπλῆσαι, χρησαμένην πᾶσι τοῖς γένεσι κατὰ δύναμιν, πάντων μὲν μετόχων τοῦ ζῆν γεγονότων· δεύτερα δὲ καὶ τρίτα καὶ τέταρτα καὶ πέμπτα,

each being for the most part of that one nature, but in its lesser parts derived from the other elements for the sake of connection. After ether, there is fashioned by soul another kind of creature from air, and the third kind from water; and by having produced all these it is likely that soul filled the whole heaven with creatures, having made use of all the elements so far as it could, and all the creatures having been made participators in life; but the second, third, fourth, and fifth kinds, which took their first origin from what are manifest gods,