“Observe constantly that all things take place by change, and accustom thyself to consider that the nature of the Universe loves nothing so much as to change the things which are, and to make new things like them.”

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.