10. Jonathan H. Turner, Herbert Spencer: A Renewed Appreciation (Beverly HUIs, Calif.: Sage Publishers, 1985), p. 11; J. D. Y. Peel, Herbert Spencer, The Evolution of a Sociologist (New York: Basic Books, 1971); Herbert Spencer, The Principles of Biology, Vol. 1 (New York: Appleton amp; Co., 1866), p. 530.