India has over 20 percent of the kids born in the world. And they move around a lot.

You can't have a rigid view that all new taxes are evil.

I don't think you're as capable of handling lack of sleep or whatever challenges you throw at your body as you get older. However, I never missed a day of work.

If you're a guest [at my $113 million house], you'll be able to call up on screens throughout the house almost any image you like - presidential portraits, reproductions of High Renaissance paintings, pictures of sunsets, airplanes, skiers in the Andes, a rare French stamp, the Beatles in 1965.

This social-networking thing takes you to crazy places.

I realized about 10 years ago that my wealth has to go back to society. A fortune, the size of which is hard to imagine, is best not passed on to one's children. It's not constructive for them.

Even when things are stable, that's not easy [to work in Africa] because there are not roads, and the weather is tough, the education system hasn't been there. But this is how you get great countries, is step by step.