176. [176.] 41. All societies after the Judgment were arranged by nationality in a marvelous array, an array ordered according to affections in the heavens and lusts in the hells. These societies are continually being purified by communications opened with evil people and the fermentation, so to speak, that ensues, and alien spirits are then cast down as heterogeneous elements. Sometimes the purification is accomplished by the society's becoming like a single individual; those who are in the body remain, and those outside the body are rejected. Since the Judgment, it is not permitted thus to ascend into heaven and to be then cast down, but everyone is limited to traveling the path that leads to his society.