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

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.

what doesn't kill you not only make you stronger, but also more honest.

It is a fact of human nature that we derive pleasure from watching others engage in pleasurable acts. This explains the popularity of two enterprises: pornography and cafés.

For me, a place unvisited is like an unrequited love. A dull ache that- try as you might to think it away, to convince yourself that she really wasn't the right country for you- just won't leave you in peace.

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.

If you walk into a coffee shop in 1903 Vienna, you might find at the same table the artist Gustav Klimt, Sigmund Freud, Leon Trotsky and possibly Adolf Hitler, who lived in Vienna at the same time.