"I refuse to answer that question on the grounds that I don't know the answer."

"If there's anything more important than my ego around, I want it caught and shot now."

"You guys are so unhip it's a wonder your bums don't fall off."

"Listen, three eyes,", he said, "don't you try to outweird me, I get stranger things than you free with my breakfast cereal."

'Yet Unnamed Man': "Beeblebrox, over here!"
"No," called Zaphod. "Beeblebrox over here! Who are you?"
"A friend!" Shouted back the man. He ran toward Zaphod.
"Oh yeah?" said Zaphod. "Anyone's friend in particular, or just generally well-disposed to people?"

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

"Well, just who do you think you are, honey?" flounced the insect quivering its wings in rage, "Zaphod Beeblebrox or something?"
"Count the heads," said Zaphod in a low rasp.
The insect blinked at him. It blinked at him again.
"You are Zaphod Beeblebrox?" it squeaked.
"Yeah," said Zaphod, "but don't shout it out or they'll all want one."
"The Zaphod Beeblebrox?"
"No, just a Zaphod Beeblebrox, didn't you hear I come in six packs?"
"But sir, I heard you were dead."
"That's right, I just haven't stopped moving yet."

"I'm so amazingly cool you could keep a side of meat inside me for a month. I am so hip I have difficulty seeing over my pelvis."

"If I had two heads like you, Zaphod, I could have hours of fun banging them against a wall."

"If I told you how much I needed this, I wouldn't have time to eat it." Referring to the piece of fairy cake used to power the Total Perspective Vortex.

It just told me what I already knew, that I'm a great and amazing guy, didn't I tell you baby, I'm Zaphod Beeblebrox.

"It is said that his birth was marked by earthquakes, tidal waves, tornadoes, firestorms, the explosion of three neighbouring stars, and, shortly afterwards, by the issuing of over six and three quarter million writs for damages from all of the major landowners in his Galactic sector. However, the only person by whom this is said is Beeblebrox himself, and there are several possible theories to explain this."