Source: The Metaphysical Foundations of Modern Physical Science (1925), p. 19
“Philosophy of science can bring a strong array of analytical and synthetic tools to questions of ultimate causation, ultimate reality and “the whole of reality” because these questions are both physical and metaphysical—entailing methodological procedures from both science and philosophy.”
Can scientific methods prove the existence of God? https://www.americamagazine.org/content/all-things/god-and-science-qa-robert-spitzer-sj (December 29, 2015)
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Robert Spitzer (priest) 1
American Jesuit priest, scholar and educator 1952Related quotes

Theories and Things, Cambridge, MA: Harvard University Press. 1981
1980s and later

“science should be question driven, not methodology driven.”
The Tell-Tale Brain: A Neuroscientist's Quest for What Makes Us Human

interview by John L. Allen, Jr. on July 18, 2005, National Catholic Reporter (July 21, 2005) http://www.natcath.org/mainpage/specialdocuments/cabibbo.htm

Part III, Section 31
Principles of Philosophy of the Future http://www.marxists.org/reference/archive/feuerbach/works/future/index.htm (1843)

Source: Introduction to Systems Philosophy (1972), p. xix.

Two scientific activities are equally valid if they achieve results that are true. Now, how do you decide which activity is more valuable? The question of value is the basic question that the scientific administrator asks so that decisions can be made about funding priorities.
Interview http://www.ornl.gov/info/ornlreview/rev28-1/text/wbgbar.htm by Bill Cabage and Carolyn Krause for the ORNL Review (April 1995).
Source: General System Theory (1968), 2. The Meaning of General Systems Theory, p. 18