45. He teaches that the Creator is to be served by condemning those who serve the creature, whereas we owe our service to the Creator. And since he knew the Spirit to be the Creator, he teaches that we ought to serve Him, saying: “Beware of the dogs, beware of the evil workers, beware of the concision, for we are the circumcision who serve the Spirit of God.” Phil. iii. 2, 3.