Plato, Laws 830c

ἔτι πάντων τῶν τε ἐμψύχων καὶ τῶν ἀψύχων ἀπορήσαντές ποτε, ἐν ἐρημίᾳ συγγυμναστῶν ἆρά γε οὐκ ἐτολμήσαμεν ἂν αὐτοὶ πρὸς ἡμᾶς αὐτοὺς σκιαμαχεῖν ὄντως; ἢ τί ποτε ἄλλο τὴν τοῦ χειρονομεῖν μελέτην ἄν τις φαίη γεγονέναι; σχεδόν, ὦ ξένε, οὐδὲν ἄλλο γε πλὴν τοῦτο αὐτὸ ὃ σὺ νῦν ἔφθεγξαι. τί οὖν; τὸ τῆς πόλεως ἡμῖν μάχιμον ἦ χεῖρόν τι παρασκευασάμενον τῶν τοιούτων ἀγωνιστῶν εἰς τὸν μέγιστον τῶν ἀγώνων ἑκάστοτε τολμήσει παριέναι, διαμαχούμενον περὶ

training-mates, would we not have recourse to shadow-fighting of the most literal kind, against ourselves? Or what else should one call the practice of pugilistic posturing? There is no other name for it, Stranger, than the one you have just given to it. What then? Is the fighting force of our State to venture to come forward every time to fight for their lives, their children, their goods, and for the whole State, after a less thorough preparation than the competitors we have been describing?