W. Norris Clarke has chosen the fifteen essays in this collection, five of which appear here for the first time, as the most significant of the more than seventy he has written over the course of a long career. Clarke is known for his development of a Thomistic personalism. To be a person, according to Saint Thomas, is to take conscious self-possession of one's own being, to be master of oneself. But our incarnate mode of being human involves...