Franklin D. Roosevelt (2008). “Fireside chats of Franklin Delano Roosevelt: radio addresses to the American people about the Depression, the New Deal, and the Second World War, 1933-1944”, Red & Black Pub
Radio broadcast, 29 Dec. 1940. According to Walter Isaacson and Evan Thomas, The Wise Men (1986), this slogan was picked up for Roosevelt's address after it was used in conversation by John McCloy, who had gotten it from Jean Monnet.