Plato, Epinomis 975e

πάντων δʼ ἐξειργασμένων τὸ λοιπὸν βοήθεια γίγνοιτʼ ἂν μυρία μυρίοις, ἡ μὲν μεγίστη τε καὶ εἰς πλεῖστα πολεμικὴ κληθεῖσα, στρατηγικὴ τέχνη, εὐδοκιμωτάτη πρὸς χρείαν, εὐτυχίας πλείστης δεομένη, μᾶλλον δὲ ἀνδρείᾳ κατὰ φύσιν ἢ

And when all these have been performed, there may yet remain assistance, in countless forms and countless cases: the greatest and most useful is called warfare, the art of generalship; most glorified in time of need, requiring most good fortune, and assigned rather to a natural valor than to wisdom.