962. Therefore, the suprarenal glands remove the impurities in the blood spirits, and the Kidneys the impurities in the blood serum, accomplishing this in more or less the same way. They work by a process of attraction, this being the way the organ functions. In like manner do the spirits in that province work, because that is their nature. No sooner does a corresponding [spiritual] condition arise in the purer realm, whereby bodily elements a person or a soul brings along cannot be separated, those spirits, by a cooperative force that works in proportion to the outreach of their field of energy, join in. They arouse and attract [those bodily elements], and thereby free the better and purer elements from the more impure - in fact filthy and rotten ones. It is evil spirits, therefore, who wipe them away. But they do not become the worse for it, but are obliged to perform such functions before they become better, or are reformed.