Marcus Aurelius was a Roman Emperor and philosopher, and he is best known for his collection of personal writings known as “Meditations.” He was born on April 26, 121 AD, and became Emperor of Rome in 161 AD. “Meditations” is a series of reflections and philosophical thoughts written by Marcus Aurelius, likely as a form of self-reflection and guidance. The work is considered one of the key texts in Stoic philosophy.