Metaphysical theory of Xian Xia's novels. Cause and effect can be easily eliminated by magic weapon, so must cause and effect be repaid in return? God and Buddha owe mortal karma, but also be beaten and scolded by mortals? First of all, you need to know what cause and effect is. For example, you drink water because you are thirsty, but if you are thirsty, you want to drink water, but in the meantime you are told to do something else, and then you are told to go away, which leads to you not drinking water. And all kinds of causes and effects alternate, forming all kinds of complicated causal relationships. Generally speaking, good causes are more likely to have good results, and there are not many mysteries.