“A prince should have no other objective, no other thought, nor take up any other art but war and its discipline and knowledge, for that is the only art expected of a ruler.”Niccolò Machiavelli · Principele · 1532 · Capitolul XIV
A ruler must focus exclusively on the art of war, as a discipline of anticipation and control, to maintain power.
Machiavelli is not just talking about actual combat, but about a discipline of anticipation and control. A prince who neglects this art loses his state; one who masters it can face any threat. For example, a CEO who ignores competition and market risks is vulnerable, while one who constantly studies competitors' moves stays in the game.
Why it matters In any competitive field, exclusive focus on the essential 'art' — whether strategy, innovation, or negotiation — makes the difference between success and failure.