The author advises that a wise ruler should rely exclusively on their own troops, suggesting that a victory achieved through the help of others is not a true victory.

The author asserts that true political stability is impossible without a military force comprised of one's own citizens, as reliance on mercenaries is inherently fragile.

A prescription stating that a ruler's primary and sole focus should be the art of war, as military proficiency is the foundation of both acquiring and retaining political power.

The author emphasizes that being unarmed leads to being despised, arguing that a prince cannot expect loyalty or security if there is a military imbalance between him and his subjects.

In a departure from traditional political idealism, the author argues that a prince must learn how to be 'not good' and use vice when necessary for the preservation of the state. He contends that a man who tries to be virtuous in all circumstances will inevitably be ruined by the many who are not virtuous.