Paul, moreover, who had not only been an avowed but a cruel and bloody foe, being changed into a new man, shows, by the sudden and unhoped-for change, that a heavenly power had compelled him to preach the doctrine which once he destroyed. Let those dogs deny that the Holy Spirit descended upon the apostles, or, if not, let them refuse credit to the history, still the very circumstances proclaim that the Holy Spirit must have been the teacher of those who, formerly contemptible among the people, all of a sudden began to discourse so magnificently of heavenly mysteries.