It is vital that there is a narrator figure whom people believe. That's why I never do commercials. If I started saying that margarine was the same as motherhood, people would think I was a liar.

In the Baboon community, it is not how strong you are that is important, but who you know that counts

Television of course actually started in Britain in 1936, and it was a monopoly, and there was only one broadcaster and it operated on a license which is not the same as a government grant.

One in eight plant species face extinction.

It's a moral question about whether we have the right to exterminate species.

If I can make programmes when I'm 95, that would be fine. But I would think I'll have had enough by then.

I'm against this huge globalisation on the basis of economic advantage.