Plato, Laws 757b

σφόδρα σαφὴς εἶναι σφόδρα ἡμᾶς διαταράττει. δυοῖν γὰρ ἰσοτήτοιν οὔσαιν, ὁμωνύμοιν μέν, ἔργῳ δὲ εἰς πολλὰ σχεδὸν ἐναντίαιν, τὴν μὲν ἑτέραν εἰς τὰς τιμὰς πᾶσα πόλις ἱκανὴ παραγαγεῖν καὶ πᾶς νομοθέτης, τὴν μέτρῳ ἴσην καὶ σταθμῷ καὶ ἀριθμῷ, κλήρῳ ἀπευθύνων εἰς τὰς διανομὰς αὐτήν· τὴν δὲ ἀληθεστάτην καὶ ἀρίστην ἰσότητα οὐκέτι ῥᾴδιον παντὶ ἰδεῖν. Διὸς γὰρ δὴ κρίσις ἐστί, καὶ τοῖς ἀνθρώποις ἀεὶ σμικρὰ μὲν ἐπαρκεῖ, πᾶν δὲ ὅσον ἂν ἐπαρκέσῃ πόλεσιν ἢ

For there are two kinds of equality which, though identical in name, are often almost opposites in their practical results. The one of these any State or lawgiver is competent to apply in the assignment of honors,—namely, the equality determined by measure, weight and number,—by simply employing the lot to give even results in the distributions; but the truest and best form of equality is not an easy thing for everyone to discern. It is the judgment of Zeus, and men it never assists save in small measure, but in so far as it does assist either States or individuals,