All life is related. And it enables us to construct with confidence the complex tree that represents the history of life

I'm luckier than my grandfather, who didn't move more than five miles from the village in which he was born.

I don't approve of sunbathing, and it's bad for you.

We keep putting on programmes about famine in Ethiopia; that’s what’s happening. Too many people there. They can’t support themselves — and it’s not an inhuman thing to say. It’s the case. Until humanity manages to sort itself out and get a coordinated view about the planet it’s going to get worse and worse.

I've never actually met one in the wild, but I have seen a king cobra. They go towards people, they rear up six feet tall and they're very aggressive and they are very fast. And one bite means certain death. So if I encountered a king cobra in the wild I would be very alarmed.

Crying wolf is a real danger.

I am an ardent recycler. I would like to think that it works. I don't know whether it does or not.