XVIII. How a free Government existing in a corrupt City may be
preserved, or not existing may be created

XIX. After a strong Prince a weak Prince may maintain himself: but after
one weak Prince no Kingdom can stand a second

XX. That the consecutive reigns of two valiant Princes produce great
results: and that well-ordered Commonwealths are assured of a succession
of valiant Rulers by whom their power and growth are rapidly extended

XXI. That it is a great reproach to a Prince or to a Commonwealth to be
without a National Army

XXII. What is to be noted in the combat of the three Roman Horatii and
the three Alban Curiatii

XXIII. That we should never hazard our whole fortunes, where we put not
forth our entire strength; for which reason to guard a defile is often
hurtful

XXIV. That well-ordered States always provide rewards and punishments
for their Citizens; and never set off deserts against misdeeds

XXV. That he who would reform the institutions of a free State, must
retain at least the semblance of old ways

XXVI. That a new Prince in a city or province of which he has taken
possession, ought to make everything new

XXVII. That Men seldom know how to be wholly good or wholly bad