Marcus Aurelius was Emperor of the Roman Empire from 161 CE to 180 CE and one of the leaders of Stoicism, a philosophy of personal ethics which sought resilience and virtue through personal action and responsibility. His writing has inspired many personal development and psychotherapy approaches through to the present day. Donald Robertson is a writer, trainer, and cognitive behavioural psychotherapist. He specializes in the relationship between ancient philosophy and modern evidence-based psychological therapy. Donald is the author of six books on philosophy and psychotherapy, including How to Think Like a Roman Emperor: The Stoic Philosophy of Marcus Aurelius (2019). Tom Butler-Bowdon is series editor for the Capstone Classics series. He has written Introductions for Capstone editions of Plato's The Republic, Machiavelli's The Prince, Adam Smith's The Wealth of Nations, Sun Tzu's The Art of War, Lao Tzu's Tao Te Ching, and Napoleon Hill's Think and Grow Rich. Tom is the author of the 50 Classics series and is a graduate of the London School of Economics and the University of Sydney. www.Butler-Bowdon.com