The influential book "The Prince" was written by Niccolò Machiavelli in 1513. This political treatise explores the nature of power and governance, offering pragmatic advice to rulers on how to maintain control of their states. Machiavelli emphasizes the use of cunning, strategic cruelty, and realpolitik, often setting aside traditional moral frameworks. His ideas challenge the notions of virtuous leadership, suggesting that the ends justify the means. "The Prince" has had a profound influence on political theory and practice, sparking debates about ethics in governance and the role of personal morality in politics.