Read over and over again the campaigns of Alexander, Hannibal, Caesar, Gustavus, Turenne, Eugene and Frederic. ... This is the only way to become a great general and master the secrets of the art of war.
There is simply no comparison between a man who is armed and one who is not. It is simply unreasonable to expect that an armed man should obey one who is unarmed, or that an unarmed man should remain safe and secure when his servants are armed.