The Prince Chapter 12 Summary

Summary

The chapter examines the means of offence and defence available to princes, focusing on the kinds of military forces a ruler can rely upon. Machiavelli begins by identifying the two chief foundations of states as good laws and good arms, and then limits his discussion to arms. He classifies a prince's forces as his own (native troops), mercenaries, auxiliaries, or mixed, and immediately condemns mercenaries and auxiliaries as dangerous and useless because they are disunited, undisciplined, ambitious, and unfaithful.

He supports this claim with historical examples drawn largely from Italian experience: mercenary-led forces fail in decisive moments, captains can turn their ambitions against their employers, and reliance on foreign soldiers has left Italy vulnerable to invasion and internal ruin. Machiavelli contrasts successful republics and states that rely on their own citizens or native soldiers (Rome, Sparta, the Swiss) with Italian cities that fell into dependence on mercenaries. He recounts episodes — the rise of leaders like Braccio and Sforza, the behavior of the White Company under Giovanni Acuto, Venetian troubles under Carmignuola, and the florid dangers when captains such as Pagolo Vitelli might take Pisa — to show how mercenary systems create both steady attrition and sudden catastrophic losses. He also sketches how mercenary practice devalued infantry, favored cavalry, and adopted rules that minimized risk to captains and soldiers, producing armies ill-suited to the defense of Italy.

Key events

1. Machiavelli sets out to discuss arms (military means) for princes.
2. He classifies forces: native arms, mercenaries, auxiliaries, mixed.
3. He condemns mercenaries and auxiliaries as undisciplined and unfaithful.
4. Gives historical examples from Italy showing mercenary failures.
5. Contrasts native-armed republics (Rome, Sparta, Swiss) with mercenary-dependent states.
6. Describes mercenary practices that weaken armies (fewer infantry, avoidance of risk).

Analysis

This chapter functions as a key practical argument in Machiavelli's political project: it shifts from abstract classification of principalities to the concrete means by which a prince secures and preserves power. By attacking mercenaries and auxiliaries, Machiavelli reinforces themes of self-reliance, civic virtue, and the necessity of effective institutions (here, native arms) rather than reliance on external supports. The structure blends direct assertion with illustrative historical exempla; the narrative voice is didactic and forensic, using Italian recent history to make the claim urgent and local. Symbolically, mercenaries stand for corruption, venality, and the decay of civic responsibility, while native troops symbolize rootedness and political legitimacy. The technique of citing varied episodes — successes of Rome and Sparta, failures under Italian captains, and Venetian excesses — functions as cumulative evidence rather than theoretical proof, persuading by pattern. Foreshadowing appears in the insistence that reliance on mercenaries causes slow gains and sudden catastrophe, a motif that signals future warnings about how princes should build foundations; the rhetorical contrast between disciplined citizen-armies and mercenary indiscipline sharpens Machiavelli's larger argument about virtù versus dependence.

Important quotes

“The chief foundations of all states, new as well as old or composite, are good laws and good arms;”

NarratorOpens the chapter by identifying the essential bases of a state's stability, then narrows discussion to military arms.

“Mercenaries and auxiliaries are useless and dangerous;”

NarratorPresents the chapter's central thesis condemning foreign and auxiliary troops as unreliable for princely security.

“They are ready enough to be your soldiers whilst you do not make war, but if war comes they take themselves off or run from the foe;”

NarratorExplains why mercenaries cannot be counted on in the decisive moments of conflict, using behavior in peace versus war.

Characters in Chapter 12

• Francesco Sforza
• Pope Alexander VI
• Louis XII
• Ferdinand II of Aragon
• Alberigo da Conio
• Braccio
• Epaminondas
• Philip of Macedon
• Duke Filippo
• Sforza
• Queen Johanna
• Giovanni Acuto
• Pagolo Vitelli
• Carmignuola
• Bartolomeo da Bergamo
• Roberto da San Severino
• count of Pitigliano