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.

We can't love a place or a person if we always have one foot out the door.

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.

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.

Normally, we think of the religious as people who care more, not less than the rest of us. This is not true, not exactly. The truly religious care more deeply about fewer things and do't give a hoot about the rest.

Our happiness is completely and utterly intertwined with other people: family and friends and neighbors and the woman you hardly notice who cleans your office. Happiness is not a noun or verb. It's a conjunction. Connective tissue.

The late British-born philosopher Alan Watts, in one of his wonderful lectures on eastern philosophy, used this analogy: "If I draw a circle, most people, when asked what I have drawn, will say I have drawn a circle or a disc, or a ball. Very few people will say I've drawn a hole in the wall, because most people think of the inside first, rather than thinking of the outside. But actually these two sides go together--you cannot have what is 'in here' unless you have what is out there.' " In other words, where we are is vital to who we are.