Leela: So what makes Guenter talk?
Fry: Is he genetically engineered?
Farnsworth: Oh, please! That's preposterous science-fiction mumbo-jumbo. Guenter's intelligence actually lies in his electronium hat which harnesses the power of sunspots to produce cognitive radiation.
Guenter: You're wasting your breath, Professor. He'll never understand a word of it.
Fry: I understood the word "hat"!