Epictetus
It is not things that disturb us, but our judgments about things.
Biography
Born a slave in Phrygia, studied Stoic philosophy under Musonius Rufus while still enslaved. Freed after Nero's death, eventually established a school in Nicopolis. Walked with a permanent limp—possibly from a leg broken by his master. Wrote nothing; his student Arrian recorded his lectures as the Discourses and the Enchiridion. His philosophy begins from personal experience of radical powerlessness: if you cannot control your circumstances, you can control your response. Not passive resignation—a disciplined practice of distinguishing what is yours to change from what isn't. Albert Ellis explicitly cited Epictetus as the philosophical foundation of REBT, and through Ellis, Stoic principles entered the DNA of cognitive-behavioral therapy.
Key Ideas
The dichotomy of control: some things are 'up to us' (judgments, impulses, desires) and some are not (body, possessions, reputation, other people). Freedom comes from working exclusively with the former.Cognitive appraisal: 'It is not things that disturb us, but our judgments about things.' The event is one thing; the suffering is produced by what we tell ourselves about the event. The single sentence from which CBT descends.Prohairesis: the faculty of moral choice—the capacity to assent to or withhold assent from impressions. The locus of human freedom, available even under conditions of slavery.Prosoche (attention): the ongoing practice of monitoring one's own judgments and reactions. Not occasional reflection but continuous self-observation.
Clinical Relevance
Epictetus is the most directly clinically applicable philosopher in the Western tradition. Ellis acknowledged that REBT's core principle ('it's not the event but your belief about the event that causes disturbance') is Epictetus formalized into therapeutic protocol. Beck's cognitive model follows the same structure. The dichotomy of control is immediately useful with anxious clients: distinguishing what is genuinely within their agency from what they are trying to control but cannot—other people's responses, future outcomes, bodily sensations—often produces visible relief in session. This is also the philosophical foundation of ACT's acceptance component: willingness to have experiences you cannot control while committing to action in areas you can. Prosoche anticipates metacognitive therapy's detached mindfulness: observing thoughts as events rather than truths. For clients who experienced early powerlessness, the dichotomy of control can be both liberating and dangerous—liberating because it redirects attention to genuine agency, dangerous if misapplied as 'just change your thinking about it.' The clinical task is helping clients distinguish Stoic wisdom from cognitive bypassing: actually engaging with what they can change, not intellectually dismissing what hurts.