" While he was president, he kept a quotation of Abraham Lincoln in a leather portfolio on his desk. It read, “I do the very best I know how—the very best I can; and I mean to keep doing so to the end. If the end brings me out all right, what is said against me won’t amount to anything. If the end brings me out wrong, ten angels swearing I was right won’t make any difference. "

― , The Accidental President: Harry S. Truman and the Four Months That Changed the World