1. Georg Willhelm Friedrich Hegel, “Science of Logic: Doctrine of Being”, trans. A.V. Miller, in The Hegel Reader, ed. Stephen Houlgate, (Oxford; Malden: Blackwell Publishers Ltd, 1998), 194.
2. Karl Jaspers, Nietzsche and Christianity, trans. E.B. Ashton (USA: Henry Regnery Company, 1961).
3. Karl Jaspers, Nietzsche: an Introduction to the Understanding of his Philosophical Activity, trans. Charles F. Wallraff and Frederick J. Schmitz (Chicago: Henry Regnery, 1965), 168.
4. Walter Kaufmann, Nietzsche: Philosopher, Psychologist, Antichrist, (Princeton, NJ: Princeton University Press, 1968), 312.
5. Arthur C Danto, Nietzsche as Philosopher, (New York: Macmillan; London, Collier: Macmillan, 1965), 8