So long, and thanks for all the fish.

We have normality. I repeat, we have normality. Anything you still can't cope with is therefore your own problem.

If it looks like a duck, and quacks like a duck, we have at least to consider the possibility that we have a small aquatic bird of the family anatidae on our hands.

He was a man who was charged with the work he did in life because he was not one to ask questions — not so much on account of any natural quality of discretion as because he simply could never think of any questions to ask.

There's always a moment when you start to fall out of love, whether it's with a person or an idea or a cause, even if it's one you only narrate to yourself years after the event: a tiny thing, a wrong word, a false note, which means that things can never be quite the same again.

Far out in the uncharted backwaters of the unfashionable end of the western spiral arm of the Galaxy lies a small unregarded yellow sun. Orbiting this at a distance of roughly ninety-two million miles is an utterly insignificant little blue green planet whose ape-descended life forms are so amazingly primitive that they still think digital watches are a pretty neat idea.

The books people are writing today, they're too long. You get a little bit of plot, and then pages and pages of Creative Writing. They teach classes in how to do this. They should teach classes in how to stop!