As far as I'm concerned, if there is a supreme being then He chose organic evolution as a way of bringing into existence the natural world... which doesn't seem to me to be necessarily blasphemous at all.

I have no doubt that the fundamental problem the planet faces is the enormous increase in the human population

I suppose happiness is something one enjoys, but I suspect that happiness is not a state but rather a transition.

I've been bitten by a python. Not a very big one. I was being silly, saying: 'Oh, it's not poisonous' Then, wallop! But you have fear around animals.

All our environmental problems become easier to solve with fewer people and harder - and ultimately impossible to solve - with ever more people.

If we were all to reduce our demands for energy, it would make an enormous amount of difference.

I just wish the world was twice as big and half of it was still unexplored.