I spoke with spirits about the fact that they do evil to themselves when they intend it for another, so that thus [the law] of retaliation applies [2913], or the same evil answers back to them. For they were plotting to do evil to someone, and it was twisted back to them. They were saying that the evil came from me and others, and that it came from themselves they would not be convinced on account of the appearance. So I spoke about that, showing that if someone strikes their head against a wall, it is not the wall's doing, but their own. Then it was illustrated in many ways that there is such a balance of all and the very least parts in the body, that a reaction answers back to each action-in the very least membranes, tissues, the very least particle of animate spirit. If there were not this reaction, nothing could ever continue, but everything would languish and sicken; so there is a perpetual balance. It is the same in all other cases, as also between