Paul elaborates on how the hylomorphic principle, if anything, fits quantum physics better than it fit the world the medievals knew. Bill asks whether the worldview of people of faith is too rigid, while that of the secular masses is too loose. Paul wonders what "shades of gray" really means, and points out that even though the materialist worldview has become harder and more dogmatic, 20th century physics really exploded its scientific foundation. This epsiode brought to you by Arthur Compton's Freedom of Man and Stephen Barr's Modern Physics and Ancient Faith.