1379. From all this it may also be seen that the walking and removal of spirits from place to place, and their advancements, which are so frequently seen, are nothing but changes of state; that is to say, they appear in the world of spirits as changes of place; but in heaven, as changes of state. The case is similar with many other things that are representative, and are there presented to view, concerning which of the Lord's Divine mercy hereafter.