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

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.

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.

Research suggests that people are typically unaware of the reasons why they are doing what they are doing, but when asked for a reason, they readily supply one.

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.

Because your brain uses information from the areas around the blind spot to make a reasonable guess about what the blind spot would see if only it weren't blind, and then your brain fills in the scene with this information. That's right, it invents things, creates things, makes stuff up! It doesn't consult you about this, doesn't seek your approval. It just makes its best guess about the nature of the missing information and proceeds to fill in the scene.

Why isn’t it fun to watch a videotape of last night’s football game even when we don’t know who won? Because the fact that the game has already been played precludes the possibility that our cheering will somehow penetrate the television, travel through the cable system, find its way to the stadium, and influence the trajectory of the ball as it hurtles toward the goalposts!