One of the problems of taking things apart and seeing how they work - supposing you're trying to find out how a cat works--you take that cat apart to see how it works, what you've got in your hands is a non-working cat. The cat wasn't a sort of clunky mechanism that was susceptible to our available tools of analysis.

The car shot forward straight into the circle of light, and suddenly Arthur had a fairly clear idea of what infinity looked like. It wasn’t infinity in fact. Infinity itself looks flat and uninteresting. Looking up into the night sky is looking into infinity—distance is incomprehensible and therefore meaningless. The chamber into which the aircar emerged was anything but infinite, it was just very very very big, so big that it gave the impression of infinity far better than infinity itself.

Dennis Hutch had stepped up into the top seat when its founder had died of a lethal overdose of brick wall, taken while under the influence of a Ferrari and a bottle of tequila.

Trillian had come to suspect that the main reason [Zaphood] had had such a wild and successful life was that he never really understood the significance of anything he did.

You come to me for advice, but you can't cope with anything you don't recognize. Hmmm. So we'll have to tell you something you already know but make it sound like news, eh Well, business as usual , I suppose.

God's Final Message to His Creation: 'We apologize for the inconvenience.

I don't like the idea of missionaries. In fact, the whole business fills me with fear and alarm. I don't believe in God, or at least not in the one we've invented for ourselves in England to fulfill our peculiarly English needs, and certainly not in the ones they've invented in America who supply their servants with toupees, television stations and, most importantly, toll-free telephone numbers. I wish that people who did believe in such things would keep them to themselves and not export them to the developing world.