
How to Think Like a Roman Emperor
Donald Robertson
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What is How to Think Like a Roman Emperor about?
What can a 2,000-year-old emperor teach us about modern resilience? Donald Robertson weaves the life of Marcus Aurelius with practical Stoic exercises drawn from cognitive behavioral therapy. Part biography, part philosophy, part field guide. A grounded, deeply useful approach to managing emotion, adversity, and the daily friction of being human.
Key ideas of How to Think Like a Roman Emperor
Stoicism as Practical Therapy
Marcus Aurelius practiced psychological techniques that map directly onto modern cognitive-behavioral therapy, validating ancient Stoic exercises across two thousand years.
Dichotomy of Control
The Stoic distinction between what is and is not in our power directs effort toward intentions and away from outcomes, reducing anxiety without reducing ambition.
Daily Practice Over Insight
Philosophical understanding alone does not change behavior, only repeated exercises like premeditatio malorum and cognitive distancing build lasting resilience.
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How to Think Like a Roman Emperor
The man dying in the tent at Vindobona did not look like the most powerful person on earth. He was fifty-eight years old, which in the second century CE was already old. His face had gone gaunt. The smallpox that had been spreading through his legions for years had finally come for the emperor himself. It was March of 180 CE, and the Roman camp at what is now Vienna was cold and grey, the Danube barely a mile away, the Germanic frontier still unsettled after nearly two decades of war. Marcus Aurelius, emperor of Rome since 161 CE, was dying the way he had lived: at the edge of the empire, surrounded by soldiers, a long way from comfort.
His son Commodus was there. Marcus had watched Commodus closely his whole life and seen what he was. He knew what would happen to Rome after he was gone. And still, according to the ancient sources, when a tribune came to his bedside and asked for the watchword -- the daily password given to the garrison -- the emperor did not answer with anything poetic or consoling. He gave a watchword. He said: go to the rising sun, for I am already setting. Then he turned over, pulled the blankets up, and died.
The tent full of notebooks stayed behind. In the camps along the Danube, during campaigns that most emperors would have delegated to generals, Marcus had been writing. Not policy documents or imperial dispatches. Private reflections, addressed to himself, in Greek, titled Ta eis heauton -- roughly, "things addressed to himself." We know them as the Meditations. And for nearly two millennia they have been read as one of the most honest documents ever left by a human being in a position of total power.
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Continue in the appWho is it for?
- Anyone who struggles with anxiety, anger, or the feeling that circumstances control their wellbeing.
- Anyone who wants to understand Stoicism through a real biography rather than abstract doctrine.
- Anyone curious about the shared ground between ancient philosophy and modern psychotherapy.
- Anyone looking for concrete daily exercises, not just motivational ideas, to handle stress and adversity.
About the author: Donald Robertson
Donald Robertson is a Scottish cognitive-behavioral psychotherapist and author who has spent his career connecting ancient philosophy with modern psychological practice. He is a recognized authority on Stoicism and its applications in therapy.
His work bridges the gap between classical Stoic texts and contemporary CBT and ACT frameworks, and he has used Stoic techniques directly with clients in clinical settings. He is also the author of several other books on Stoicism and philosophy of mind.
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