Part of positive psychology is about being positive, but sometimes laughter and clowns are not appropriate. Some people don't want to be happy, and that's okay. They want meaningful lives, and those are not always the same as happy lives.

You look around the world at geniuses, and they don't appear randomly, they appear in genius clusters. Athens in 50 BC, Florence 1500, Silicon Valley today. This is not a coincidence.

Perhaps it's true you can't go back in time, but you can return to the scene of a love, of a crime, of happiness, and of a fateful decision; the places are what remain, are what you can possess, are what is immortal.

I've always believed that happiness is just around the corner. The trick is fining the right corner.

Every country has its cocktail-party question. A simple one-sentence query, the answer to which unlocks a motherlode of information about the person you just met.... In Switzerland it is, Where are you from? That is all you need to know about someone.

People don't go to Starbucks for the coffee - of that I'm pretty sure - they go for the atmosphere, they go for the 70 decibels, they go for the Starbucks effect.

a simple question to identify your true home: where do you want to die?