6921. CONTINUATION CONCERNING THE SPIRITS OF THE PLANET MERCURY. At the end of the preceding chapter it was shown that the spirits of the planet Mercury constitute in the Grand Man the memory of things not material; and as they therefore love to know things abstracted from what is material, they are more prompt and quick than other spirits in discerning, thinking, and speaking; for material things are like weights which induce slowness and retard, because they bear the mind downward and immerse it in earthly things, and thus remove it from the spiritual world, whence all clear discernment comes. How prompt these spirits are, can be seen from what follows.