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 ideas from his Nicomachean Ethics (c. 350 BC). It expresses his belief that happiness comes from living virtuously and taking responsibility for one’s actions.