It's a good thing we have immigrant doctors and immigrant engineers, because if you or I get sick this afternoon, we're going to go to the hospital, and we're going to hope someone serves us.

When Teddy Roosevelt was around, there was an Ottoman Empire. There was a Habsburg empire. They controlled millions of people across Africa, the Middle East and Europe. And they're gone.Prosperity killed them, because they didn't have a way to hold the people together. They didn't have the rituals and the holidays and the pride in their country. And that's what we need if we're going to hold ourselves together during periods of prosperity.

Half of Americans look at the other half and say, they're too lazy or they're not willing to get up and go to school. And the other half looks and sees a bunch of fat cats and talks about income inequality.

The best way to achieve self-esteem is to do something worthy of esteem.

... in the future a typical factory will host three workers: a man, a computer and a dog. The computer will do all the work. The man will feed the dog. And the dog's job? To bite the man - if he touches the computer.

We're prosperous enough that we can afford to have one in six able-bodied men of working age sitting at home playing video games.

It's a good thing we have immigrant doctors and immigrant engineers, because if you or I get sick this afternoon, we're going to go to the hospital, and we're going to hope someone serves us.