Plato, Laws 903c

ὧν ἓν καὶ τὸ σόν, ὦ σχέτλιε, μόριον εἰς τὸ πᾶν συντείνει βλέπον ἀεί, καίπερ πάνσμικρον ὄν, σὲ δὲ λέληθεν περὶ τοῦτο αὐτὸ ὡς γένεσις ἕνεκα ἐκείνου γίγνεται πᾶσα, ὅπως ᾖ τῷ τοῦ παντὸς βίῳ ὑπάρχουσα εὐδαίμων οὐσία, οὐχ ἕνεκα σοῦ γιγνομένη, σὺ δʼ ἕνεκα ἐκείνου. πᾶς γὰρ ἰατρὸς καὶ πᾶς ἔντεχνος δημιουργὸς παντὸς μὲν ἕνεκα πάντα ἐργάζεται, πρὸς τὸ κοινῇ συντεῖνον βέλτιστον μέρος μὴν ἕνεκα ὅλου καὶ οὐχ

fraction; whereof thy portion also, O perverse man, is one, and tends therefore always in its striving towards the All, tiny though it be. But thou failest to perceive that all partial generation is for the sake of the Whole, in order that for the life of the World-all blissful existence may be secured,—it not being generated for thy sake, but thou for its sake. For every physician and every trained craftsman works always for the sake of a Whole, and strives after what is best in general, and he produces a part for the sake of a whole, and not a whole for the sake of a part;