Christian Philosophy concerns the perennial paradox of reason/revelation and philosophy/theology by reflecting on: whether philosophy has ever been pure i.e., free of beliefs; how Plato, Aristotle, Plotinus helped prepare for Christian philosophy; how these practiced it: Bonaventure, Guerric, Albert, Aquinas, Maritain. As monists Marcel and Whitehead confirm that philosophy cannot be faith but must remain distinct and yet dependent on it...