107. It is most necessary for it to be known that there are two suns, one spiritual and the other natural, a spiritual Sun for those who are in the spiritual world, and a natural sun for those who are in the natural world. Unless this is known, nothing can be rightly understood about creation and about man, the subjects here treated of. Effects may indeed be seen, but unless at the same time the causes of the effects are seen, the effects can appear only as in the dark.