Name: Aristotle
Lived: 384–322 BC, Stagira, Macedon
Known for: Philosopher and student of Plato; tutor to Alexander the Great
Famous for: Major works on ethics, politics, logic, and natural sciences; his ideas shaped Western thought for centuries
Note: The phrase “Happiness depends upon ourselves” is a paraphrase attributed to Aristotle and reflects his philosophy in the Nicomachean Ethics (c. 350 BC). It captures his belief that true happiness comes from living virtuously and taking personal responsibility for one’s actions.