Nothing travels faster than the speed of light, with the possible exception of bad news, which obeys its own special laws.

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.

Trillian had come to suspect that the main reason [Zaphood] had had such a wild and successful life was that he never really understood the significance of anything he did.

Six pints of bitter, said Ford Prefect. And quickly please, the world's about to end.

Don't blame you," said Marvin and counted five hundred and ninety-seven thousand million sheep before falling asleep again a second later.

The bird that would soar above the plain of tradition and prejudice must have strong wings.

Yes it is,' said the Professor. 'Wait—' he motioned to Richard, who was about to go out again and investigate— 'let it be. It won't be long.' Richard stared in disbelief. 'You say there's a horse in your bathroom, and all you can do is stand there naming Beatles songs?' The Professor looked blankly at him.