I regret that I wasn't more successful with my marriages, but it is what it is.

Newspapers are technologically obsolete. In the days of instant electronic communications, its crazy to have to print these newspapers at a central plant and deliver them by truck. They're the biggest problem with our solid-waste disposal. And the news you get is a day old. You can get it off the Internet instantaneously for a fraction of the cost.

There are too many people, that's why we have global warming. We have global warming because too many people are using too much stuff.

We're too many people; that's why we have global warming...on a voluntary basis, everybody in the world's got to pledge to themselves that one child is it.

Make a way, find a way or get out of the way.

The U.N. had such lofty goals to eliminate poverty and stop war and cure diseases and help refugees - things that no one country could do.

The next most dangerous thing [after nuclear proliferation] is probably... global warming, and then, right behind that are overpopulation -- we need to get serious about family planning-and trying to alleviate poverty, to get clean, renewable energy, probably with solar panels to the billion and a half people in the world who don't have access to electricity.