Written in the last years of Cicero’s life, this treatise explores the nature of duty and morality in public and private life. Drawing on Stoic and Aristotelian philosophy, Cicero articulates his vision of a virtuous and just society, where the interests of individuals and the common good are harmoniously balanced. Heine’s edition provides a faithful and readable translation of this classic work of political philosophy.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the 'public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.