They live in perpetual fear of the time they call "The Coming of the Great White Handkerchief

No one really knows what mattresses are meant to gain from their lives either. They are large, friendly, pocket-sprung creatures that live quiet private lives in the marshes of Sqornshellous Zeta. Many of them get caught, slaughtered, dried out, shipped out and slept on. None of them seems to mind this and all of them are called Zem.

If you really want to understand something, the best way is to try and explain it to someone else.

What a wonderfully exciting cough,' said the little man, quite startled by it, 'do you mind if I join you?' And with that he launched into the most extraordinary and spectacular fit of coughing which caught Arthur so much by surprise that he started to choke violently, discovered he was already doing it and got thoroughly confused.

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.

Anything that happens, happens.

To boldly split infinitives that no man had split before.