The quality of any advice anybody has to offer has to be judged against the quality of life they actually lead. - Douglas Adams

It was his subconscious which told him this — -that infuriating part of a person's brain which never responds to interrogation, merely gives little meaningful nudges and then sits humming quietly to itself, saying nothing.

"Zaphod left the controls for Ford to figure out, and lurched over to Arthur.

"Look, Earthman," he said angrily, "you've got a job to do, right? The Question to the Ultimate Answer, right?"

"What, that thing?" said Arthur, "I thought we'd forgotten about that."

"Not me, baby. Like the mice said, it's worth a lot of money in the right quarters. And it's all locked up in that head thing of yours."

"Yes but ..."

"But nothing! Think about it. The Meaning of Life! We get our fingers on that we can hold every shrink in the Galaxy up to ransom, and that's worth a bundle. I owe mine a mint."

Arthur took a deep breath without much enthusiasm.

"Alright," he said, "but where do we start? How should I know? They say the Ultimate Answer or whatever is Forty-two, how am I supposed to know what the question is? It could be anything. I mean, what's six times seven?"

Zaphod looked at him hard for a moment. Then his eyes blazed with excitement.

"Forty-two!" he cried.

Arthur wiped his palm across his forehead.

"Yes," he said patiently, "I know that."

Zaphod's faces fell.

"I'm just saying that the question could be anything at all," said Arthur, "and I don't see how I am meant to know.

It is an important and popular fact that things are not always what they seem. For instance, on the planet Earth, man had always assumed that he was more intelligent than dolphins because he had achieved so much — the wheel, New York, wars and so on — while all the dolphins had ever done was muck about in the water having a good time. But conversely, the dolphins had always believed that they were far more intelligent than man — for precisely the same reasons.