Message toWilliam Henry Harrison, 10 Sept. 1813. The source is Perry's dispatch from the U.S. brig Niagara to General Harrison, announcing that victory at the Battle of Lake Erie was secure. The dispatch was written in pencil on the back of an old letter; it is quoted in Robert B. McAfee, History of the LateWar in theWestern Country (1816). SeeWalt Kelly 2; Walt Kelly 3
Mark Twain (2014). “Mark Twain on Common Sense: Timeless Advice and Words of Wisdom from America's Most-Revered Humorist”, p.53, Skyhorse Publishing, Inc.