“How do you know you're having fun if there's no one watching you have it?”

“It was just that he was fun in such an exhausting way because, being in advertising, he always wanted you to know how much fun he was having and where he had got his jacket from.”

“You just come along with me and have a good time. The Galaxy's a fun place. You'll need to have this fish in your ear.”

“The gorillas were not the animals we had come to Zaire to look for. It is very hard, however, to come all the way to Zaire and not go and see them. I was going to say that this is because they are our closest living relatives, but I'm not sure that that's an appropriate reason. Generally, in my experience, when you visit a country in which you have any relatives living there's a tendency to want to lie low and hope they don't find out you're in town. At least with the gorillas you know that there's no danger of having to go out to dinner with them and catch up on several million years of family history.”

“And then, just when you think that you have experienced all the wonders that this world has to offer, you round a peak and suddenly think you're doing the whole thing over again, but this time on drugs.”

“Hey, you sass that hoopy Ford Prefect? There's a frood who really knows where his towel is."(Sass: know, be aware of, meet, have sex with; hoopy: really together guy; frood: really amazingly together guy.)”

“You know what a learning experience is? A learning experience is one of those things that says, "You know that thing you just did? Don't do that.”