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

Glossary
Resilient - Tough or able to cope with difficulty.
Grievances - Things that you want to complain about.
Vices - Moral faults or weaknesses in someone's character.