The naturalization of value systems in the human sciences
is the process by which other frameworks were sought to replace spiritual, "other-worldly", religious explanations of nature, life and humanity with respect to fundamental values.
- Young, Robert M. (1981) The Naturalization of Value Systems in the Human Sciences, in Science and Belief: from Darwin to Einstein, Block VI: Problems in the Biological and Human Sciences. Milton Keynes: Open University Press, pp. 63-110.