“Observe the movements of the stars as if you were running their courses with them, and let your mind constantly dwell on the changes of the elements into each other. Such imaginings wash away the filth of life on the ground.”

Roman emperor and Stoic philosopher of the 2nd century CE He wrote *Meditations*, a private journal blending practical philosophy with reflections on duty, resilience, and the nature of existence. His work remains a cornerstone of Stoic thought, offering timeless guidance on self-mastery and perspective.