 Enchiridion of Epictetus

The "Enchiridion" (often translated as "Handbook") of Epictetus is a concise manual of practical ethical advice based on the teachings of the Stoic philosopher Epictetus. It was compiled by his student Arrian in the early 2nd century AD and serves as a foundational text in Stoic philosophy. The "Enchiridion" consists of key concepts that emphasize the importance of distinguishing between what is within our control and what is not.