Bart: Look at that hunk of junk.
Grampa: Oh, jeeh -- you're ignorant! That's the Wright Brothers' plane.
At Kitty Hawk in 1903, Charles Lindbergh flew it fifteen miles
on a thimbleful of corn oil. Singlehandedly won us the Civil
War, it did.
Bart: So how do you know so much about American history?
Grampa: I pieced it together, mostly from sugar packets.
-- Bart hisses a mystery lesson,
"Sideshow Bob's Last Gleaming"