How could anything originate out of its opposite? For example, truth out of error? or the will to truth out of the will to deception? or the generous deed out of selfishness? or the pure sunbright vision of the wise man out of covetousness? Such genesis is impossible ; whoever dreams of it is a fool, worse than a fool; things of the highest value must have a different origin, an origin of their own ...
The true Voodoo-worshipper attemts nothing of importance without certain sacrifices which are intented to propitiate his unclean gods. In extreme cases these rites take the form of human sacrifices followed by cannibalism.