You don't need a science degree to understand about science. You just need to think about it.

I see litter as part of a long continuum of anti-social behaviour.

It is a curious feature of our existance that we come from a planet that is very good at promoting life but even better at extinguishing it.

I can't think of anything that excites a greater sense of childlike wonder than to be in a country where you are ignorant of almost everything.

I refer of course to the soaring wonder of the age known as the Eiffel Tower. Never in history has a structure been more technologically advanced, materially obsolescent, and gloriously pointless all at the same time.

To me, the greatest invention of my lifetime is the laptop computer and the fact that I can be working on a book and be in an airport lounge, in a hotel room, and continue working; I fire up my laptop, and I'm in exactly the same place I was when I left home - that, to me, is a miracle.

Taking a scenic route in Southeast Iowa is like talking about a good Barry Manilow album. You have to make certain allowances.