If Warren Buffett made his money from ordinary income rather than capital gains, his tax rate would be a lot higher than his secretary's. In fact a very small percentage of people in this country pay a big chunk of the taxes.

The estate taxes, on balance, are good. They get people to give money to charity, and they prevent these family dynasties which keep other people from having opportunities. It may be good for a family, but for society it's probably not good. And I've always been in favor of having an estate tax.

Canada sets aside 36 percent of their visas for people with skills they think their country needs. We set aside six percent. We educate the doctors, and then don't give 'em a green card.

If you think of all the publicity about the terrible tragedy of Virginia Tech, we have a Virginia Tech in this country every day. It's just spread across 50 states.

We're America, and we have to stop worrying about what happens overseas, and to be optimistic, even though nobody should think we're not going to have some difficult times.

Look at all of the great strengths of America: entrepreneurialship, work ethic, natural resources, a democracy, a transparency, a willingness to be critical. Around the world, they look at us, and they say, "Why are you criticizing yourself? Why are you people arguing during the political process to elect a president or somebody else?" That's the great strength of this country.

Is your company so small you have to do everything for yourself? Wait until you're so big that you can't. That's worse.