人类有两大劣根性，一是嗜赌，一是嗜毒，放之则不可收，而禁之又不能绝，很令人头疼。但卜、赌同源（同数术有关），药、毒一家（同方技有关），它们对理解方术却是很好的例子。这里先讲卜和赌的关系。在《方术四题之一》中我已经指出，数术的主体是占卜，而占卜又有三大类型 Human beings have two root causes, one is addicted to gambling, one is addicted to drugs and the other is not acceptable, but the ban can not be eliminated. It is a headache. But Bu, gambling homology (with the number of related), medicine, drug family (with the technical skills), they are very good examples of the understanding of the alchemy. Here to talk about the relationship between BU and bet. In “Alchemy one of the four questions” I have pointed out that the main body of the number is divination, divination and there are three major types