Learn about An essay on the history and reality of apparitions :
OF all the Arcana of the invisible World, I know no One Thing about which more has been said, and lets understood, than this of Apparition : It is divided for much between the Appearance of good and the Apparition of bad Spirits, that our Thoughts are strangely confused about it.
First, We make a great deal of Difficulty to resolve whether there are any such things as Apparitions or no; and some People are for reducing them all into Fancy, Whimfie, and the vapours; and so shutting the Door against Apparitions in general, they resolve to receive no Visits from the invisible World, nor to have any Acquaintance
with its Inhabitants ’till they come there j Not satisfied with that, they resolve for us all, as well as for themselves, and will have it, that because they have no Notion of it themselves, therefore there is really no such thing, and this they have advanced with great Assurance, as well in Print as in other Discourses. I name no body.