Winston Churchill's remarks at a joint Anglo-American rally in Westminster (July 4, 1918), as quoted in "War Aims & Peace Ideals: Selections in Prose & Verse, Illustrating the Aspirations of the Modern World" edited by Tucker Brooke and Henry Seidel Canby (p. 138), 1919.
Sir Winston Churchill, Winston Churchill (1965). “Great destiny: sixty years of the memorable events in the life of the man of the century recounted in his own incomparable words”