Naturalists, like everyone else, generally trust their reason to lead them to truth.
Actor Max McLean points out an insight from Lewis on the role of apologetic and other arguments in maintaining faith.
The movie opens with Lewis as an outspoken scientific atheist, whose view of science reinforces his bleak materialistic view of the universe.
Self-appointed spokesmen for science often use the enormous size of the cosmos, with its billions of galaxies, as a club to beat up Christianity.
“Natural selection” is like a Swiss Army knife that researchers in widely different disciplines use to solve their problems.