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.

I had more energy at 50. On the other hand, at 75, I've probably got a little more wisdom and good judgment than I had at 50 because I've got more experience. But I haven't really changed. I'm still driven by the same philosophy.

It's been a long time since anybody caught me saying something stupid.

Even when I started in 1970, I knew that television was having a negative effect on our society.

I know what I'm having 'em put on my tombstone: 'I have nothing more to say'.

The Palestinians are fighting with human suicide bombers, that's all they have. The Israelis... they've got one of the most powerful military machines in the world. The Palestinians have nothing. So who are the terrorists? I would make a case that both sides are involved in terrorism.