I don't remember that from Twain (my thesis figure in my Master's curriculum). He did borrow and use differently the essence of this quotation from Josh Billings:
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<br>"The trouble with people is not that they don't know but that they know so much that ain't so."
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<br>I think it was Billings who wrote one of my favorites -- "They say that love is blind, and that may be so, but I know some guys in love who see more in their gals than I do."
