There are good mothers and bad ones, but most of them are somewhere in-between.

They used to ask: "How will this decision that we make today affect our people in the future?" Now we make decisions based on: "How does it affect me, now? How does it affect the next shareholders meeting, three months ahead? How does it affect my next political campaign?"

As a child, we couldn't afford holidays overseas, so instead I travelled through books. I was inspired by Dr Dolittle and Tarzan.

The most important thing is to actually think about what you do. To become aware and actually think about the effect of what you do on the environment and on society. That's key, and that underlies everything else.

You can't do everything. You can't do health and forestry and agriculture. You've got to focus and do one or the other.

I don't care two hoots about civilization. I want to wander in the wild.

If everybody on the planet today had the same standard of living as the average European or American, we would need three new planets. But we don't even have one new planet. We have this one, and with the way we're polluting it, the shrinking water resources, the climate change, the experimentation with plants... the outlook is grim.