Estimating the Airspeed Velocity of an Unladen Swallow (2003)
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Looking back now, I think the old man didn't know what the answers were. Rather it was based on whether you indicated you didn't know or you were wrong.
Airspeed velocity of a swallow? 20 meters per second. Capital of Assyria? Quintora. Now move out of the way bridge keeper!
I don't think anyone is trying to educate you. They're just immersing themselves in this forty year-old shaggy dog story.