And for the matter, or substance of the Invisible Agents, so fancyed; they could not by naturall cogitation, fall upon any other conceipt, but that it was the same with that of the Soule of man; and that the Soule of man, was of the same substance, with that which appeareth in a Dream, to one that sleepeth; or in a Looking-glasse, to one that is awake; which, men not knowing that such apparitions are nothing else but creatures of the Fancy, think to be reall, and externall Substances; and therefore call them Ghosts; as the Latines called them Imagines, and Umbrae; and thought them Spirits, that is, thin aereall bodies; and those Invisible Agents, which they feared, to bee like them; save that they appear, and vanish when they please. But the opinion that such Spirits were Incorporeall, or Immateriall, could never enter into the mind of any man by nature; because, though men may put together words of contradictory signification, as Spirit, and Incorporeall; yet they can never have the imagination of any thing answering to them: And therefore, men that by their own meditation, arrive to the acknowledgement of one Infinite, Omnipotent, and Eternall God, choose rather to confesse he is Incomprehensible, and above their understanding; than to define his Nature By Spirit Incorporeall, and then Confesse their definition to be unintelligible: or if they give him such a title, it is not Dogmatically, with intention to make the Divine Nature understood; but Piously, to honour him with attributes, of significations, as remote as they can from the grossenesse of Bodies Visible.