“Ford… you're turning into a penguin. Stop it.”

“Stop…
Stop what you're doing…
Stop what you're doing and breathe.”

“You're not crazy. You're not evil. But you can't stop.”

“the answer to every problem involved penguins”

“Stop that!' he shouted. 'You're soldiers! You're not supposed to fight!”

“Letterman: "Oh, stop it! Will you stop? Ladies and gentlemen, turn down your volume. Turn down the volume immediately! She can't be stopped! There's something wrong with her!"”

“The point is, you see," said Ford, "that there is no point in driving yourself mad trying to stop yourself going mad. You might just as well give in and save your sanity for later.”

“Four species of penguins that breed in Antartica are endangered by global warming.
Even I, the only man in the world who can get angry from looking at a picture of a penguin, find this bad news.”

“Oh yeah, and Spader was hanging out with a penguin"
-Bobby Pendragon”

“Then the boy realised, the penguin wasn't lost, he was just lonely.”