Plato, Laws 763b

καὶ γνωρίσεως ἕνεκα πάντων ἀεὶ τῶν τόπων. κινδυνεύει γὰρ οὐδενὸς ἔλαττον μάθημα εἶναι διʼ ἀκριβείας ἐπίστασθαι πάντας τὴν αὑτῶν χώραν· οὗ δὴ χάριν κυνηγέσια καὶ τὴν ἄλλην θήραν οὐχ ἧττον ἐπιτηδεύειν δεῖ τὸν ἡβῶντα ἢ τῆς ἄλλης ἡδονῆς ἅμα καὶ ὠφελίας τῆς περὶ τὰ τοιαῦτα γιγνομένης πᾶσιν. τούτους οὖν, αὐτούς τε καὶ τὸ ἐπιτήδευμα, εἴτε τις κρυπτοὺς εἴτε ἀγρονόμους εἴθʼ ὅτι καλῶν χαίρει,

under arms, for the purpose both of fencing and of learning each several district. For that all should have an accurate knowledge of their own country is a branch of learning that is probably second to none: so the young men ought to practise running with hounds and all other forms of hunting, as much for this reason as for the general enjoyment and benefit derived from such sports. With regard, then, to this branch of service—both the men themselves and their duties, whether we choose to call them secret-service men or land-stewards or by any other name—