"Thoughts of Marcus Aurelius Antoninus" by Emperor of Rome Marcus Aurelius is a series of personal writings composed between 170-180 CE. Written in Greek as private notes to himself during military campaigns, these reflections on Stoic philosophy were never intended for publication. Divided into twelve books, the work explores how to maintain inner tranquility, live according to reason, and find one's place in the universe. Aurelius examines judgment, ethical principles, and freedom from material distractions, offering timeless guidance on cultivating wisdom and self-control.