For the old great, mighty Germany, which was the epitome of the yearning of our ancestors and our pride when one could still hold one's head high at being a German, is going under. One cannot say: it is long gone because it is not long at all but already it sounds to our ears like a fairy tale from a distant time.
Letter to his sons (21 June 1919), quoted in Jonathan Wright, Gustav Stresemann: Weimar's Greatest Statesman (Oxford University Press, 2004), pp. 135-136.