When it comes to the first President, watch out for quotations that are a little too colloquial. “An army of jackasses led by a lion is stronger than an army of lions led by a jackass” is a quote that often gets misattributed to George Washington. "If you see something profane or flippant, it’s highly unlikely he said it," says William Ferraro, managing editor and acting editor-in-chief of The Papers of George Washington at the University of Virginia. "He was very conscious about the fact that he wasn’t college-educated or formally or classically trained, so he took great pains through his rea...