2:18 Willing, etc: That is, by a self willed, self invented, superstitious worship, falsely pretending humility, but really proceeding from pride. Such was the worship, that many of the philosophers (against whom St. Paul speaks, ver. 8) paid to angels or demons, by sacrificing to them, as carriers of intelligence betwixt God and men; pretending humility in so doing, as if God was too great to be addressed by men; and setting aside the mediatorship of Jesus Christ, who is the head both of angels and men. Such also was the worship paid by the ancient heretics, disciples of Simon and Menander, to the angels, whom they believed to be makers and lords of this lower world. This is certain, that they whom the apostle here condemns, did not hold the head, (ver. 19,) that is, Jesus Christ, and his mediatorship; and therefore what he writes here no way touches the Catholic doctrine and practice, of desiring our good angels to pray to God for us, through Jesus Christ. St. Jerome [Epist. ad Algas.] understands by the religion or service of angels, the Jewish teachers, who sought to subject the new Christians to the observance of the Mosaic law.