Throughout history, some books have changed the world. They have transformed our view of ourselves and each other. They have inspired debates, resistance, wars, and revolutions. They have enlightened, outraged, provoked, and provided comfort. They have enriched lives and destroyed them. Now, Penguin brings you the works of great thinkers, pioneers, radicals, and visionaries whose ideas shook civilization and helped us become who we are. The Penguin Great Ideas series includes twelve groundbreaking works from some of history's most prolific thinkers, and each volume is beautifully packaged with a unique typography design that highlights the art of bookmaking. This series offers great literature in great packaging at great prices and is ideal for readers who want to explore and enjoy the great ideas that have shaped the world. Few ancient works have been as influential as Marcus's Meditations.