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

Listen, three eyes," he said, "don't you try to outweird me, I get stranger things than you free with my breakfast cereal.

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—whilst 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.

Earthmen are not proud of their ancestors and never invite them round to dinner.

Please relax," said the voice pleasantly, like a stewardess in an airliner with only one wing and two engines one of which is on fire, "you are perfectly safe.

He had a tremendous propensity for getting lost when driving. This was largely because of his method of “Zen” navigation, which was simply to find any car that looked as if it knew where it was going and follow it. The results were more often surprising than successful, but he felt it was worth it for the sake of the few occasions when it was both.

42 is a nice number that you can take home and introduce to your family.