Riddle: Mr. Plessy, one of the best pilots in his town, came to his insurance company to file a report. He said that someone had robbed him in the street, but he couldn't see what the robber had looked like because of his poor eyesight. The insurance manager refused to proceed with the case and called Mr. Plessy a liar. Why?
Answer: Mr. Plessy is a pilot, but it's impossible to work as one if you have poor eyesight.