Old Timey II: C. M. Burns

Burns: Yes, I'd like to send this letter to the Prussian consulate in Siam by aeromail. Am I too late for the 4:30 autogyro?
Squeaky-Voiced Teen: Uh, I better look in the manual.
Burns: [groans] Oh, the ignorance.
[...]
Squeaky-Voiced Teen: This book must be out of date: I don't see "Prussia", "Siam", or "autogyro".
Burns: Well, keep looking!

- "Mother Simpson", Season 7