5040. How wicked, and criminal are the most of that nation, cannot be described. Among the worst are magicians who in the world have practiced evils. In the other life they practice those things to a still worse extent; but they are the more speedily vastated. But those who have practiced in the world skilful arts, such as mechanics, gardening, and the like, turn such things into magic, and perpetrate dreadful enormities; but these it is not permitted to describe, as they are such as cannot fall into the apprehension.