63. A certain spirit came up from the lower earth and approaching me said that he had heard my conversation with the other spirits, but had not understood the remarks about spiritual life and spiritual light. I asked whether he wanted to be taught about this, but he said that was not his intention in coming. I was able to infer from this that he would not be able to grasp such matters, being extremely stupid. The angels told me that while living in the world he had been among the more famous for their learning. He was cold, as could be plainly felt by the air around him. This was a sign of purely natural light with no spiritual light, so that he had not used his knowledge of the sciences to open up but to close off his path to the light of heaven.