Share on Facebook Share on Twitter Comment on this quote Share via Email Print this Page William Gibbs McAdoo Quote “It is impossible to defeat an ignorant man in an argument.” ~ William Gibbs McAdoo (1863-1941) US Senator (D-CA), Secretary of Treasury Humor , Knowledge , Reason , Ignorance Ratings and Comments 1 Reply Anne McAdoo, Formello, Italy 10/20/07 I do think it is a great quote, but perhaps I am biased as William Gibbs McAdoo was my great great uncle! SaveOk2 SaveOk2 View CommentsClick to view or comment. Share on Facebook Tweet Email Print This William Gibbs McAdoo quote is found in these categories: Humor quotes Knowledge quotes Reason quotes Ignorance quotes About William Gibbs McAdoo Bio of William Gibbs McAdoo Quotations by William Gibbs McAdoo Books by/about William Gibbs McAdoo William Gibbs McAdoo videos William Gibbs McAdoo on Wikipedia Astrological chart for William Gibbs McAdoo