“It can hardly be a coincidence that no language on earth has ever produced the expression, 'As pretty as an airport.”

“If I ever meet myself,' said Zaphod, 'I'll hit myself so hard I won't know what's hit me.”

“As you will no doubt be aware, the plans for development of the outlying regions of the Galaxy require the building of a hyperspatial express route through your star system, and regrettably your planet is one of those scheduled for demolition. The process will take slightly less than two of your Earth minutes. Thank you.”

“I watched the gorilla's eyes again, wise and knowing eyes, and wondered about this business of trying to teach apes language. Our language. Why? There are many members of our own species who live in and with the forest and know it and understand it. We don't listen to them. What is there to suggest we would listen to anything an ape could tell us? Or that it would be able to tell us of its life in a language that hasn't been born of that life? I thought, maybe it is not that they have yet to gain a language, it is that we have lost one.”

“So the hours are pretty good then?' he resumed.The Vogon stared down at him as sluggish thoughts moiled around in the murky depths.Yeah,' he said, 'but now you come to mention it, most of the actual minutes are pretty lousy.”

“This planet has - or rather had - a problem, which was this: most of the people living on it were unhappy for pretty much of the time. Many solutions were suggested for this problem, but most of these were largely concerned with the movement of small green pieces of paper, which was odd because on the whole it wasn't the small green pieces of paper that were unhappy.”

“Earth: mostly harmless”