Zaphod felt he was teetering on the edge of madness and wondered if he shouldn't just jump over and have done with it.

The storm had now definitely abated, and what thunder there was now grumbled over more distant hills, like a man saying 'And another thing...' twenty minutes after admitting he'd lost the argument.

You may not instantly see why I bring the subject up, but that is because my mind works so phenomenally fast, and I am at a rough estimate thirty billion times more intelligent than you. Let me give you an example. Think of a number, any number.” “Er, five,” said the mattress. “Wrong,” said Marvin. “You see?

Isn't it enough to see that a garden is beautiful without having to believe that there are fairies at the bottom of it too?

I come in peace...Take me to your lizard.

In the center lay the exploded carcass of a lonely sperm whale that hadn't lived long enough to be disappointed with its lot.

Very strange people, physicists - in my experience the ones who aren't dead are in some way very ill.