George Orwell, Sonia Orwell, Ian Angus (1968). “The Collected Essays, Journalism and Letters of George Orwell: An age like this, 1920-1940”, Harvill Secker
"Rudyard Kipling" (1942). This is the closest passage in Orwell's writings that has been found to the following quotation popularly attributed to him: "People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf " (or sometimes, "We sleep safely at night because rough men stand ready to visit violence on those who would harm us").