Plato, Laws 894d

ὀρθότατα πασῶν ἐρρωμενεστάτην τε εἶναι καὶ πρακτικὴν διαφερόντως; μυρίῳ ἀνάγκη που φάναι διαφέρειν τὴν αὐτὴν αὑτὴν δυναμένην κινεῖν, τὰς δὲ ἄλλας πάσας ὑστέρας. εὖ λέγεις. ἆρʼ οὖν ἡμῖν τῶν νῦν οὐκ ὀρθῶς ῥηθέντων μεταθετέον ἓν ἢ καὶ δύο; ποῖα φῄς; τὸ τῆς δεκάτης ῥηθὲν σχεδὸν οὐκ ὀρθῶς εἴρηται. πῇ; πρῶτον γενέσει τέ ἐστιν καὶ ῥώμῃ κατὰ λόγον· τὸ

Most certainly. Of our total of ten motions, which shall we most correctly adjudge to be the most powerful of all and excelling in effectiveness? We are bound to affirm that the motion which is able to move itself excels infinitely, and that all the rest come after it. Well said. Must we, then, alter one or two of the wrong statements we have now made? Which do you mean? Our statement about the tenth seems wrong. How? Logically it is first in point of origin and power; and the next one is second to it,