This is the most complete, readable, and explanatory edition of Cicero's "On Duties" available in English. "On Duties" represents the pinnacle of Western moral philosophy. Not only is it an unmatched practical guide to conduct, but it also serves as a profoundly ennobling vision of man. Acknowledged as a supreme moral authority for many centuries, it was the second book (after the Gutenberg Bible) to be printed following the invention of the printing press. This new English translation by Quintus Curtius was specifically designed with the needs of the modern reader in mind. It reproduces the majesty and elegance of the original, while at the same time containing