» Boxing star Muhammad Ali took his seat in the first class section of a jet airliner. Some minutes before take-off, the stewardess asked him to fasten his seatbelt. “Superman did’nt need a seatbelt”, Ali replied. After a moment’s hesitation, the stewardess said: “Superman did’t need an aircraft either.” The boxer had to laugh and obediently fastened his seatbelt. «

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