Science, at its core, is simply a method of practical logic that tests hypotheses against experience. Scientism, by contrast, is the worldview and value system that insists that the questions the scientific method can answer are the most important questions human beings can ask, and that the picture of the world yielded by science is a better approximation to reality than any other.

After Progress: Reason and Religion at the End of the Industrial Age (ed. New Society Publishers, 2015) - ISBN: 9781550925869