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Perils of expertise

Isaac Asimov was a celebrated science fiction writer.   His IQ was 160, according to a test whose average score is 100.   Once a mechanic demonstrated to Asimov how a dumb person would ask for nails from a hardware shop.   Then the mechanic asked Asimov to demonstrate how a blind person would ask for a pair of scissors.   Asimov made the gestures of cutting with a pair of scissors.   The mechanic laughed and said, “The blind man would ask for it; who told you he’s dumb?”   [Courtesy: B S Warrier’s note in today’s Malayala Manorama ] It seems that the mechanic went on to tell Asimov that he was sure that the latter would fail in this test.   “Why?” asked Asimov surprised.   “You are too learned,” said the mechanic, “so you aren’t likely to be smart .” The trouble with the learned people is that their knowledge tends to act like the horse’s blinkers: they tend to think in a particular pattern.   The parable above may not be the best example for that.   This parable shows how our