1968. Enthusiastic spirits are similar, but these have visions about things to be believed, of which they are persuaded and persuade others so strongly as to be ready to swear that what is false is true, and that a fallacy is a reality. Concerning this nature of spirits, many things might be related from experience; but of the Lord's Divine mercy they will be treated of specifically. They have contracted this nature from persuasions and false principles, while they lived in the world.