Successful movements also need an organisational model that allows them to keep growing.

I might find myself standing, transfixed, by the roadside, watching a sparrowhawk hunting among the bushes, astonished that other people could ignore it. But they might just as well be wondering how I could have failed to notice the new V6 Pentastar Sahara that just drove past.

Immense wealth translates automatically into immense environmental impacts, regardless of the intentions of those who possess it.

Places that have become agricultural deserts, trashed by giant corporations, could be reforested, drawing carbon dioxide from the air on a vast scale. The ecosystems of land and sea could recover, not just in pockets but across great tracts of the planet.

I love to read different books on completely different subjects at the same time. I cannot focus on one. I read a few pages of literature, then I jump to philosophy and at the same time I'm reading biographies of Mahler.

I would love to write more children's books. There is such a high standard out there for children's books; there are really amazing writers. It is a fantastic creative outlet and such an amazing teaching tool. The thing I love about kids, too, is it is so imaginative and poetic.

The education ministry files suit every time there is a case of identity fraud.

I'd really love to see a business model for higher education going forward that is actually affordable, that uses modern technology to reach scale and quality and that really reimburses the services rendered in a way that's meaningful to everybody.