He inched his way up the corridor as if he would rather be yarding his way down it, which was true.

Siamese Cats have a way of staring at you. Those who have walked in on the Queen cleaning her teeth will know the expression.

We notice things that don't work. We don't notice things that do. We notice computers, we don't notice pennies. We notice e-book readers, we don't notice books.

Marvin was humming ironically because he hated humans so much.

Even a manically depressed robot is better to talk to than nobody.

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.

So long, and thanks for all the fish.