By Dr. Donald DeMarco, Catholic Exchange - “Since the modern world began in the sixteenth century,” wrote G. K. Chesterton, “nobody’s system of philosophy has really corresponded to everybody’s sense of reality; to what, if left to themselves, common men would call common sense”. The prolific British essayist wrote these words in his book Saint Thomas Aquinas: The Dumb Ox, where he elucidated and affirmed the Angelic Doctor’s common sense philosophy.