"Space is big. You just won't believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it's a long way down the road to the chemist's, but that's just peanuts to space."
"This must be Thursday,' said Arthur to himself, sinking low over his beer. 'I never could get the hang of Thursdays."
"One of the things Ford Prefect had always found hardest to understand about humans was their habit of continually stating and repeating the very very obvious."
"Time is an illusion. Lunchtime doubly so."
"The Ultimate Answer to Life, The Universe and Everything is...42!"
"He felt that his whole life was some kind of dream and he sometimes wondered whose it was and whether they were enjoying it."