Plato, Republic 1.133d

“So, justice is useless in the practice of all other things but useful during their disuse?”      

καὶ περὶ τἆλλα δὴ πάντα ἡ δικαιοσύνη ἑκάστου ἐν μὲν χρήσει ἄχρηστος, ἐν δὲἀχρηστίᾳ χρήσιμος;