Hitler knows that he will have to break us in this island or lose the war. If we can stand up to him, all Europe may be free, and life of the world may move forward into broad, sunlit uplands. But if we fall, then the whole world, including the United States, including all that we have known and cared for, will sink into the abyss of a new Dark Age… Let us therefore brace ourselves to our duties, and so bear ourselves that, if the British Empire and its Commonwealth last for a thousand years, men will still say, ‘This was their finest hour.’