Talking about ghosts is not intrinsically wrong, then--it is done in the fields of science, culture, and religion, while everyone ends up as a "ghost" anyway, and has to confront this issue at some point in their lives.
因此談鬼說鬼並不是一件壞事，在科學上、文化上、宗教上，特別是面對人人都要變「鬼」，生命何去有無的疑問上，都得面對鬼。