38. But there is one general difference: everything in the spiritual world is of spiritual origin and is consequently in essence spiritual, since it is the product of the sun of that world which is pure love. Everything in the natural world is of natural origin and is consequently in essence natural, since it is the product of the sun of that world which is pure fire. As a result a spiritual person needs to be fed with food of spiritual origin, just as a natural person with food of natural origin. See further in HEAVEN AND HELL.