If you go out on the Appalachian Trail, you have to bring so much more equipment - a tent, sleeping bag - but if you go hiking in England, or Europe, generally, towns and villages are near enough together at the end of the day you can always go to a nice little inn and have a hot bath and something to drink.

There are only three things that can kill a farmer: lightning, rolling over in a tractor, and old age.

And before long there will be no more milk in bottles delivered to the doorstep or sleepy rural pubs, and the countryside will be mostly shopping centers and theme parks. Forgive me. I don't mean to get upset. But you are taking my world away from me, piece by little piece, and sometimes it just pisses me off. Sorry.

Because we humans are big and clever enough to produce and utilize antibiotics and disinfectants, it is easy to convince ourselves that we have banished bacteria to the fringes of existence. Don't you believe it. Bacteria may not build cities or have interesting social lives, but they will be here when the Sun explodes. This is their planet, and we are on it only because they allow us to be.

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.

In France, a chemist named Pilatre de Rozier tested the flammability of hydrogen by gulping a mouthful and blowing across an open flame, proving at a stroke that hydrogen is indeed explosively combustible and that eyebrows are not necessarily a permanent feature of one's face.

South Dakota... is like the world's first drive-through sensory deprivation chamber.