21. There appeared a whitish flame, burning briskly, and this for nearly an hour. That Same signified the approach of spirits of Mercury, who for penetration, thought, and speech, were more prompt than the former spirits. When they were come, they instantly ran through the things contained in my memory, but I could not perceive what they observed by reason of their promptitude. I heard them afterwards saying that such is the case; in respect to what I had seen in the heavens and in the world of spirits, they said that they knew those things before. I perceived that a multitude of spirits consociated with them was behind, a little to the left in the plane of the occiput.