357. To this must be added that those who have confirmed themselves in favor of nature, from the visible things of the world, until they have become atheists, have been seen by me in the spiritual world; and in the spiritual light their understanding appeared open below, but closed above, because in thought they had looked downward toward the earth, and not upward toward heaven. Above their sensual, which is the bottom of the understanding, appeared something like a veil; which in some flashed with hellish fire, in some was black like soot, and in some livid like a corpse. Therefore let every one beware of confirmations in favor of nature; let him confirm himself in favor of the Divine; there is no lack of materiaL