Enchiridion (Greek for “handbook”) is a concise manual of Stoic ethical teachings compiled by Arrian, a student of Epictetus. This timeless guide distills the essence of Stoic thought into practical advice on how to live with virtue, resilience, and inner freedom. Focused on what is within our control and how to respond wisely to what is not, it remains a foundational text for anyone seeking clarity, self-mastery, and peace of mind.