Arthritic toothless people who love orgasms are more likely to reproduce than are limber, toothy people who do not.

If I wanted to know what a certain future would feel like to me, I would find someone who is already living that future. If I wonder what it's like to become a lawyer or marry a busy executive or eat at a particular restaurant, my best bet is to find people who have actually done these things and see how happy they are.

My friends tell me that I have a tendency to point out problems without offering solutions, but they never tell me what I should do about it.

I have everything that I could possibly want in life, from a gorgeous granddaughter and a wonderful wife, brilliant students, the best job anyone could hope for, and about half of my hair. Not the half I would have kept, but no one consulted me.

The mistakes we make when we try to imagine our personal futures are also lawful, regular, and systematic. They, too, have a pattern that tells us about the powers and limits of foresight in much the same way that optical illusions tell us about the powers and limits of eyesight.

We are happy when we have family, we are happy when we have friends and almost all the other things we think make us happy are actually just ways of getting more family and friends.

The data says that with the poor, a little money can buy a lot of happiness. If you're rich, a lot of money can buy you a little more happiness. But in both cases, money does it.