PDF Summary:Marcus Aurelius, by Donald J. Robertson

Marcus Aurelius is remembered as one of history's great leaders, but his success wasn't accidental—it was built on a foundation of Stoic philosophy that shaped how he governed, made decisions, and managed his emotions. In Marcus Aurelius, Donald J. Robertson explores how the Roman emperor applied Stoic principles to become an effective leader and a better person.

Robertson examines the core ideas that guided Marcus's life: controlling emotions through rational examination, accepting life's impermanence, and prioritizing truth above all else. You'll learn how Marcus used Stoicism as a form of psychological therapy to overcome pride and anger, how he cultivated resilience by breaking challenges into manageable parts, and how he applied these philosophical principles to leadership—listening to criticism, sharing power, and governing with composure even in the face of adversity.

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(Shortform note: While Marcus’s goal of being liberated from negative emotions is admirable, it’s important to note that trying to eliminate emotions altogether can be dangerous. Hayes et al. explain that people who try to control their emotions through “experiential avoidance” (avoiding situations that trigger negative emotions) are more likely to develop psychological disorders.)

Next, we'll discuss Marcus Aurelius's views on the emotional life.

Stoic Perspectives and Experiences With Emotions

Robertson tells us that Stoicism values logical and wholesome emotions, including love and friendship. Stoics held that these emotions are important because they help us develop insight and morality. They also thought that the highest expression of love is wanting to gain insight and pass it on to others for everyone's benefit.

(Shortform note: Later Stoics called these “good feelings” or eupatheiai. In Stoicism and Emotion, Margaret Graver explains that only the wise can experience these emotions because they’re based on perfectly accurate judgments. However, she adds that people who are making progress toward wisdom can experience them in a limited way.)

Stoics also believe in extending the love between family members to every person capable of reasoning. Natural affection is the love that close family members share. The Stoics held that this type of love should apply universally, since the wise consider all rational beings to be siblings.

(Shortform note: The Confucian philosopher Mencius strongly disagreed with the Stoic idea that the love between family members should apply universally. In Introduction to Classical Chinese Philosophy, Bryan Van Norden explains that Mencius believed in “graded love,” which means that the love between family members should be stronger than the love between strangers.)

Applying Stoic Ideas

Robertson notes that Marcus Aurelius practiced Stoicism for psychological therapy. Rusticus acquainted him with Epictetus's philosophy, which emphasized the importance of applying Stoic principles in daily life. Epictetus taught that the key ideas were ethical introspection, persistence, self-control, and mental toughness. Rusticus also informed Marcus to better his character and seek therapy.

Marcus relied on Stoicism to overcome his vices, particularly pride and rage. He learned to regulate his emotions through rational examination instead of simply repressing them. He also learned to view external events as less important than his own state of mind.

An Alternative Approach to Emotional Regulation

Some psychotherapists argue that psychological therapy should focus on working through emotions like pride and rage rather than controlling them. In Emotion-Focused Therapy, Leslie S. Greenberg argues that the primary route to change is through helping people attend to, deepen, and make sense of their lived emotional experience. He explains that painful emotions such as anger, shame, or injured pride are best transformed not by pushing them down or trying to manage them with detached reasoning, but by fully accessing, expressing, and processing them in a safe relationship so that new, more adaptive emotions can emerge.

Marcus Aurelius's Practice of Stoicism

Next, we’ll discuss Marcus Aurelius's internal landscape, including his leadership and governance style.

Marcus Aurelius's Internal Landscape

Inner Work and Psychological Techniques

Robertson explains that Marcus Aurelius used Stoic philosophy to control his feelings and maintain rationality. Marcus was sensitive and experienced intense emotions, but he believed that a great leader cannot allow these emotions to cloud his judgment. He developed the ability to regulate his feelings by analyzing them logically and maintaining an unflinchingly honest view of life's toughest events.

Marcus believed that if we concentrate on what's right in front of us and act with logic from one moment to the next, we'll fulfill the purpose of life. He also believed that living as a Stoic is more akin to being a wrestler than a dancer. We need to prepare ourselves for life's surprises by developing resilience against unexpected and abrupt challenges. We can handle challenging experiences by breaking them into more manageable parts, making them less emotionally overwhelming.

The Cognitive Control of Emotion

Marcus’s advice to regulate feelings by analyzing them logically and to handle challenges by “breaking them into more manageable parts” is supported by research on the cognitive control of emotion. According to Kevin N. Ochsner and James J. Gross, the cognitive control of emotion depends on prefrontal and cingulate control systems that implement strategies such as selective attention and cognitive reappraisal. These systems exert top–down modulatory influences on emotion-generative regions like the amygdala, thereby changing both the intensity and the subjective quality of emotional responses to a given situation.

Cultivating Resilience and Acceptance

Robertson writes that the Stoic philosophy of accepting the transience of life was embraced by Marcus Aurelius. Marcus believed that the supreme goal of life was to exist in harmony with Nature, which involves accepting that all material things, including our lives, are transient. He thought that life and death are natural enigmas, and that we're made of substances that decay and return to Nature. He believed that these things need not concern us.

(Shortform note: In The Inner Citadel, Pierre Hadot argues that Marcus’s focus on living in harmony with Nature and accepting transience reflects a synthesis of Stoic and Presocratic thought. He notes that Marcus’s Stoicism was influenced by the Presocratic philosopher Heraclitus, who believed that the universe is in a constant state of flux. This idea of constant change and impermanence influenced Marcus’s view that we should accept the transience of life and live in harmony with Nature.)

Applying Stoicism: Leadership and Governance

Marcus Aurelius applied the tenets of Stoicism to leadership and governance. Robertson explains that being educated in Stoicism equipped him to maintain composure in adversity. He learned to listen to criticism and to value the liberty of those he governed. He imagined a utopia led by a blended government, with universal laws, the liberty to speak freely, and parity of rights.

(Shortform note: In The Stoic Idea of the City, Malcolm Schofield traces the Stoic ideal of a utopian political community back to earlier Greek theories of the “mixed constitution.” Plato and Aristotle argued that the most stable politeia (constitution) was a blend of monarchy, aristocracy, and democracy, preventing any one part from becoming tyrannical. The Stoics adopted this idea but placed it within a more radical framework: Their true polis was the community of gods and humans united by a single rational law.)

Marcus observed Antoninus, his adopted father, make progress toward power-sharing instead of being autocratic. Antoninus regularly sought senators' input, getting their consent ahead of significant choices. Marcus emulated him. He considered the treasury to be Senate property and asked for authorization to use the funds. Marcus Aurelius gradually moved from being Caesar to becoming emperor. He was dedicated to his responsibilities and energetically fulfilled the duties of second-in-command. Robertson suggests that Rome's policies during this period demonstrate the political values Antoninus and Marcus held in common.

The Senate and the Adoptive Emperors

The “adoptive emperors” were chosen by senatorial consensus after the tyrannical reign of Domitian. This made them appear to be partners of the aristocracy. Domitian was a cruel and paranoid ruler who executed many senators and confiscated their property. After his assassination, the Senate sought to restore its power and influence by selecting emperors who would respect their authority and work with them. This created a more stable and cooperative relationship between the emperor and the Senate, which benefited the empire as a whole.