Plato, Epinomis 987d

τινα φράζοντός τινος, ἀλλὰ μαθόντα, ὡς λέγομεν, ἡγεῖσθαι δεῖ. τόδε γε μὴν διανοηθῆναι χρὴ πάντʼ ἄνδρα Ἕλληνα, ὡς τόπον ἔχομεν τὸν τῶν Ἑλλήνων πρὸς ἀρετὴν ἐν τοῖς σχεδὸν ἄριστον· τὸ δʼ ἐπαινετὸν αὐτοῦ χρὴ λέγειν ὅτι μέσος ἂν εἴη χειμώνων τε καὶ τῆς θερινῆς φύσεως, ἡ δʼ ὑστεροῦσα ἡμῖν εἰς τὸ θερινὸν φύσις τοῦ περὶ τὸν ἐκεῖ τόπον, ὅπερ εἴπομεν, ὕστερον αὐτοῖς παραδέδωκεν τὸ τούτων τῶν θεῶν τοῦ κόσμου κατανόημα. λάβωμεν δὲ ὡς ὅτιπερ ἂν Ἕλληνες βαρβάρων

when someone expresses it; but it is through learning, as we declare, that one must believe it. But there is one point which every Greek should bear in mind—that of all Greeks we have a situation which is about the most favorable to human excellence. The praiseworthy thing in it that we have to mention is that it may be taken as midway between a wintry and a summery climate; and our climate, being inferior in its summer to that in the region over there, as we said, has been so much later in imparting the cognizance of these cosmic deities. And let us note that