[FN#312] Poh Yiu, of Ching, is said to have become an epidemic spirit to take vengeance on his enemies. [FN#313] According to Tso Chwen (Sa-den), when Wei Wu, a General of Tsin, fought with Tu Hwui, the dead father of his concubine appeared, and prevented the march of the enemy in order to return favours done to him. The outside scholars might ask, by way of objection, if one live as a spirit after death, the spirits of the past would fill up streets and roads, and be seen by men; and why are there no eye-witnesses? I say in reply that (as) there are the Six Worlds[FN#314] for the dead, they do not necessarily live in the world of spirits. (Even as spirits) they must die and be born again among men or other beings. How can the spirits of the past always live in a crowd? Moreover, if (as you say) man was born of (primordial) Gas which gave rise to Heaven and Earth, and which was unconscious from the very beginning, how could he be conscious all on a sudden after his birth? Why are trees and grass which were also formed of the same Gas unconscious? Again, if, (as you say), the rich and the poor, the high and the low, the wise and the unwise, the good and the bad, the happy and the unhappy, the lucky and the unlucky, are predestinated alike by heavenly decree, why are so many destined by heaven to be poor and so few to be rich? Why so many to be low and so few to be high? In short, why are so many destined to be unlucky and so few to be lucky? [FN#314] (1) The heaven, or the world for Devas; (2) the earth, or the world for men; (3) the world for Asuras; (4) the world for Petras; (5) the world for beasts; (6) hell. If it be the will of Heaven to bless so limited a number of persons at all, and to curse so many, why is Heaven so partial? Even more than that! Are there not many who hold a high position without any meritorious conduct, while some are placed in a low one in spite of their keeping to (the rules of) conduct? Are there not many who are rich without any virtues, while some are poor in spite of their virtues? Are there not the unjust who are fortunate, while the just are unfortunate? Are there not the humane, who die young, while the inhuman enjoy long lives? In short, the righteous (are doomed) to perish, while the unrighteous prosper! Thus (we must infer) that all this depends on the heavenly will, which causes the unrighteous to prosper and the righteous to perish. How can there be reward for the good (as it is taught in your sacred books),[FN#315] that Heaven blesses the good and shows grace to the humble? How can there be punishment for the bad (as it is taught in your holy books),[FN#316] that Heaven curses the evil and inflicts punishment on the proud? [FN#315] Shu King and I King. [FN#316] Ibid.