So the greatest source of happiness is other people- and what does money do? It isolates us from other people. It enables us to build walls, literal and figurative, around ourselves. We move from a teeming college dorm to an apartment to a house, and if we're really wealthy, to an estate. We think we're moving up, but really we're walling off ourselves.

I've always been a big believer in the power of place. I believe that where we are affects who we are when it comes to happiness, spirituality, economics and creative genius.

So the greatest source of happiness is other people- and what does money do? It isolates us from other people. It enables us to build walls, literal and figurative, around ourselves. We move from a teeming college dorm to an apartment to a house, and if we're really wealthy, to an estate. We think we're moving up, but really we're walling off ourselves.

Reason cannot account for those moments in life that "bewilder the intellect yet utterly quiet the heart," as G.K. Chesterton observed.

Happiness is not a noun or a verb. It's a conjunction. Connective tissue.

I think we should have more coffeehouses, more cafes, more "third places." More places where people can get together that's not work, not home, and where they can interact with people who are different from them.

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.