Plato, Laws 747d

προσπεσοῦσα εἴτε καὶ φύσις ἄλλη τις τοιαύτη. καὶ γάρ, ὦ Μέγιλλέ τε καὶ Κλεινία, μηδὲ τοῦθʼ ἡμᾶς λανθανέτω περὶ τόπων ὡς οὐκ εἰσὶν ἄλλοι τινὲς διαφέροντες ἄλλων τόπων πρὸς τὸ γεννᾶν ἀνθρώπους ἀμείνους καὶ χείρους, οἷς οὐκ ἐναντία νομοθετητέον· οἱ μέν γέ που διὰ πνεύματα παντοῖα καὶ διʼ εἱλήσεις ἀλλόκοτοί τέ εἰσιν καὶ ἐναίσιοι αὐτῶν, οἱ δὲ διʼ ὕδατα, οἱ δὲ καὶ διʼ αὐτὴν τὴν ἐκ τῆς γῆς τροφήν, ἀναδιδοῦσαν

For that, too, is a point, O Megillus and Clinias, which we must not fail to notice,—that some districts are naturally superior to others for the breeding of men of a good or bad type; and we must not conflict with this natural difference in our legislation. Some districts are ill-conditioned or well-conditioned owing to a variety of winds or to sunshine, others owing to their waters, others owing simply to the produce of the soil,