The only acceptable way to solve ecological problems is if you can persuade people to have fewer children. In the Victorian times, there were families of 15 children. Someone like Edward Lear, he was the last of 21 children. And so what we have to think about is offering people the alternative choice. And in the West, that's what's happening. The birth rate has been dropping steadily and still is. I'm wanting human beings to be better off so they don't view children as an insurance for the future.

I think a major element of jetlag is psychological. Nobody ever tells me what time it is at home.

Getting to places like Bangkok or Singapore was a hell of a sweat. But when you got there it was the back of beyond. It was just a series of small tin sheds.

Can a growing human population still leave space for wildlife?

What I am interested in with birds, just as I am with spiders or monkeys, is what they do and why they do it.

That people will object very much to seeing a predator killing its prey, and yet, in the news, will accept showing shots of people shooting one another.

I believe the Abominable Snowman may be real. I think there may be something in that.