"Freedom is the only worthy goal in life. It is won by disregarding things that lie beyond our control," he declared. External events, others' opinions, even our own bodies—these are not truly ours. What is ours? Our judgments, values, desires, and aversions.
This insight transforms our understanding of freedom. We are enslaved not by external circumstances but by our attachments and aversions to them. The person who grasps desperately for wealth, reputation, or pleasure becomes their slave. The person who accepts what comes while maintaining virtue remains free even in chains.
Epictetus speaks from experience. Despite his social bondage, he achieved philosophical freedom by recognizing that no one could compel his assent, corrupt his character, or disturb his mind without his cooperation. This freedom—rational self-determination—remains available to everyone regardless of circumstances.
His teaching offers liberation not through changing the world but through transforming our relationship to it.
Source
Discourses and Enchiridion - Epictetus