3441. It was observed that when the persuasion of that preacher or preceptor operated in me, the perception of truth and good which I formerly had, was, as it were, taken away, so that I could only recur to scientifics, or scientifically to the knowledges of faith, for I did not then perceive that marriages were so holy, inviolate and strict. Hence it may appear how powerfully the persuasions of certain men are able to work upon those whom they instruct, thus of this preceptor upon his disciple, who was, notwithstanding, a king. It appears also from this, that he before whom he stood, and who believed that faith without good works was saving, became himself, from the sphere of the persuasion, [transformed] about the head into a white cloud: for the persuasion penetrated so deeply that he was almost ready to affirm, wherefore he was removed. Such is the power of the sphere of persuasion.