But is seeking it a waste of time? Experts say Aristotle's advice teaches us that well-being comes not when we look for it but when we live with purpose and meaning.
Foolproof: 2000-year-old recipe for happiness
Recipe for happiness: Many believe Aristotle's ancient wisdom is still relevant today. Glossary
Philanthropy - Giving away (lots of) money to help people.
Nietzsche - A 19th-Century German philosopher.
Vices - Moral faults or weaknesses in someone's character.