What’s so curious about human beings is that we can look deeply into the future, foresee disaster, and still do nothing in the present to stop it. The majority of people on this planet, they’re overwhelmed with concerns about their immediate well being.

Variety improves the things that we do too often, but it rules the things that we don't do often enough.

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 secret of happiness is variety, but the secret of variety, like the secret of all spices, is knowing when to use it.

I think good things are happening to me and will continue. I am not optimistic about the rest of the species, but I'm so blessed, it's almost scary. I'm sorry to disappoint you, but I have a wildly sunny disposition. I love to laugh.

I actually think the same things do make most people happy. The differences are extremely small, and around the margins. You like peach ice cream; I like strawberry ice cream. Both of us like ice cream much better than a smack on the head with two-by-four.

The good news is that going blind is not going to make you as unhappy as you think it will. The bad news is that winning the lottery will not make you as happy as you expect.