Related:

• Cogito, Ergo Spud. (I think, therefore I yam.)
• I will not bribe Principal Skinne
• I will not drive the principal's car.
• Girls: Keepaway! Keepaway. Lisa: Hey, come on! Those are prescription shoes.
  I _need_ them. Girls: [chanting] You have cooties!...
• Clerk: A good rule of thumb is two years' salary, sir.
  Try this. Principal Skinner: I can't afford that, I'm an educator!...