21. A fairly bright flame was to be seen burning cheerfully; it lasted for some time. The flame signalled the arrival of spirits from Mercury whose perception, thought and speech were quicker than that of the previous ones. Immediately on arrival they ran through the contents of my memory, but they were too quick for me to grasp what it was they were observing. I heard them saying repeatedly: 'That's the sort of thing.' When they came to what I had seen in the heavens and in the world of spirits, they said they had known this before. I became aware of a large number of spirits associated with them, who were behind me, a little to the left on a level with the back of the head.