“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.”

“He didn't know why he had become president of the galaxy, except that it seemed a fun thing to be.”

“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.”

“Time is the worst place, so to speak, to get lost in, as Arthur Dent could testify, having been lost in both time and space a good deal. At least being lost in space kept you busy.”

“The Encyclopedia Galactica defines a robot as a mechanical apparatus designed to do the work of a man. The marketing division of the Sirius Cybernetics Corporation defines a robot as "Your Plastic Pal Who's Fun to Be With. The Hitchhiker's Guide to the Galaxy defines the marketing devision of the Sirius Cybernetic Corporation as "a bunch of mindless jerks who'll be the first against the wall when the revolution comes,”

“You'll have a national Philosopher's strike on your hands!”

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