Commentators who today talk of 'The Dark Ages' when faith instead of reason was said to ruthlessly rule, have for their animadversions only the excuse of perfect ignorance. Both Aquinas' intellectual gifts and his religious nature were of a kind that is no longer commonly seen in the Western world.
David Berlinski (2009). “The Devil's Delusion: Atheism and Its Scientific Pretensions”, p.65, Basic Books