[1] J. W. Draper, "A History of the Conflict Between Religion and Science;" New York, 1874.

[2] Richard Falckenberg: "A History of Modern Philosophy," tr. by A. C. Armstrong, Jr.; New York, 1897; Chap. I.

[3] T. H. Huxley: "Hume," preface; London, 1879.

[4] Comte and Kant, for example.

[5] "Der Antichrist," § 55.

[6] "Jenseits von Gut und Böse," VII.

[7] "Der Antichrist," § 54.

[8] "Menschliches allzu Menschliches," § 483.

[9] "Götzendämmerung," VI.