When Zarathustra was alone... he said to his heart: "Could it be possible! This old saint in the forest hath not yet heard of it, that God is dead!"Thus Spake Zarathustra [1883-1891], prologue, ch. 2 Man is a rope stretched between the animal and the Superman—a rope over an abyss.
Thus Spake Zarathustra, prologue, 3