Plato, Laws 795c

μεταβιβάζων ἐπὶ θάτερα ἀναγκάζῃ διαπονεῖν, ταὐτὸν δὴ τοῦτʼ, οἶμαι, καὶ ἐν ὅπλοις καὶ ἐν τοῖς ἄλλοις πᾶσι χρὴ προσδοκᾶν ὀρθόν, ὅτι τὸν διττὰ δεῖ κεκτημένον, οἷς ἀμύνοιτό τʼ ἂν καὶ ἐπιτιθεῖτο ἄλλοις, μηδὲν ἀργὸν τούτων μηδὲ ἀνεπιστῆμον ἐᾶν εἶναι κατὰ δύναμιν· Γηρυόνου δέ γε εἴ τις φύσιν ἔχων ἢ καὶ τὴν Βριάρεω φύοιτο, ταῖς ἑκατὸν χερσὶν ἑκατὸν δεῖ βέλη ῥίπτειν δυνατὸν εἶναι. τούτων δὴ πάντων

or lame, whenever he is compelled to bring it into action through his opponent shifting to the other side,—in precisely the same way, I take it, in regard to the use of weapons of war and everything else, it ought to be considered the correct thing that the man who possesses two sets of limbs, fit both for offensive and defensive action, should, so far as possible, suffer neither of these to go unpracticed or untaught. Indeed, if a man were gifted by nature with the frame of a Geryon or a Briareus, with his hundred hands he ought to be able to throw a hundred darts. So all these matters must be the care of