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Wednesday, June 1, 2011

David Hume and the $20 bill on the sidewalk

 David Hume (1748) wrote in An Enquiry Concerning  Human Understanding


"A man who at noon leaves his purse full of gold on the pavement at Charing-Cross, may as well expect that it will fly away like a feather, as that he will find it untouched an hour after. Above one half of human reasonings contain inferences of a similar nature, attended with more or less degrees of certainty proportioned to our experience of the usual conduct of mankind in such particular situations."