THE PRINCE (Italian: Il Principe) is a 16th-century political treatise by the Italian diplomat and political theorist Niccolò Machiavelli. From correspondence a version appears to have been distributed in 1513, using a Latin title, De Principatibus (About Principalities). However, the printed version was not published until 1532, five years after Machiavelli's death. This was done with the permission of the Medici pope Clement VII, but "long before...

Claiming he had discovered the "royal road to the unconscious," Freud published The Interpretation of Dreams at the turn of the twentieth century, and thus laid the foundation for his innovative technique of psychoanalysis. Largely ignored at first, the book would eventually be considered his most important work, one that revolutionized the way human beings view themselves. Spurred on by the death of his father, Freud began analyzing his own dreams,...

The eighteenth-century philosopher’s landmark treatise against monarchy that inspired the French and American Revolutions.
 “Man is born free, and everywhere he is in chains.”
 
With these stirring words, Jean-Jacques Rousseau begins The Social Contract—the first shot in a battle of ideas that would set the stage for the American War of Independence and the French Revolution....

Utopia (1516) is a work of political satire by Thomas More. Published in Latin while More was serving as Privy Counsellor under King Henry VIII, the text is stylized as a true account of a new civilization discovered in the New World by traveler Raphael Hythlodaeus. While there have been varying interpretations of Utopia over the centuries, it is most consistently regarded as a work of political philosophy in the tradition of Plato's Republic that...