Of the Duty of a Prince In Respect of Military Affairs
A Prince, therefore, should have no care or thought but for war, and for the regulations and training it requires, and should apply himself exclusively to this as his peculiar province; for war is the sole art looked for in one who rules, and is of such efficacy that it not merely maintains those who are born Princes, but often enables men to rise to that eminence from a private station; while, on the other hand, we often see that when Princes devote themselves rather to pleasure than to arms, they lose their dominions. And as neglect of this art is the prime cause of such calamities, so to be a proficient in it is the surest way to acquire power. Francesco Sforza, from his renown in arms, rose from privacy to be Duke of Milan, while his descendants, seeking