De officiis. English Cicero's three books of offices of moral duties : also his Cato Major, an essay on old age ; Laelius, an essay on friendship ; paradoxes ; Scipio's dream ; and Letter to Quintus on the duties of a magistrate / literally translated, with notes, designed to exhibit a comparative view of the opinions of Cicero, and those modern moralists and ethical philosophers by Cyrus R. Edmonds.