Throughout history,some books have changed the world. They have transformed the way we see ourselvesΓÇöand each other. They have inspired debatedissentwar and revolution. They have enlightenedoutragedprovoked and comforted. They have enriched livesΓÇöand destroyed them. NowPenguin brings you the works of the great thinkerspioneersradicals and visionaries whose ideas shook civilizationand helped make us who we are. Penguin’s Great Ideas series features twelve groundbreaking works by some of history’s most prodigious thinkersand each volume is beautifully packaged with a unique type-drive design that highlights the bookmaker’s art. Offering great literature in great packages at great pricesthis series is ideal for those readers who want to explore and savor the Great Ideas that have shaped the world. The Stoic writings of the philosopher Senecawho lived from c. 5 BC to AD 65offer powerful insights into the art of livingthe importance of reason and moralityand continue to provide profound guidance to many through their eloquencelucidity and timeless wisdom. This selection of Seneca’s orks was taken from the Penguin Classics edition of Dialogues and Letterstranslated by C.D.N. Costaand includes the essays On the Shortness of LifeConsolation to Helviaand On Tranquility of Mind.