You know you're in trouble when your own imagination starts punishing you.

No, mademoiselle, I would not like to see the children's menu. I have no doubt that the children's menu itself tastes better than the meals on it. I would like to order à la carte. Or don't you serve fish to minors?

Stay back, human. You don't know what you're dealing with.

You wouldn't know a clue if it danced in front of you with a T-Shirt that read 'I'm a clue

Don't try to understand me, just be grateful that you felt the warmth of Zaphod Beeblebrox's aura on your wonderstruck face.

Hey, look your girlfriend is saying something. Artemis had a vast mental reserve of scathing comebacks at his disposal, but none of them covered girlfriend insults. He wasn't even sure if it was an insult. And if it was, who was being insulted? Him or the girl?

Don’t feel bad; I regularly reduce people to unintelligible stammers.