call'd it onely sensitive and rational Matter, or, which is all one, sensitive and rational corporeal motions. You will say, perhaps, That the divine Soul in Man is a Spirit: but I desire you to call to mind what I oftentimes have told you, to wit, that when I speak of the Soul of Man, I mean onely the Natural, not the Divine Soul; which as she is supernatural, so she acts also supernaturally; but all the effects of the natural Soul, of which I discourse, are natural, and not divine or supernatural. But to return to Magnetisme; I am absolutely of opinion, that it is naturally effected by natural means, without the concurrence of Immaterial Spirits either good or bad, meerly by natural corporeal sensitive and rational motions; and, for the most part, there must be a due approach between the Agent and the Patient, or otherwise the effect will hardly follow, as you may see by the Loadstone and Iron; Neither is the influence of the Stars performed beyond a certain distance, that is, such a distance as is beyond sight or their natural power to work; for if their light comes to our Eyes, I know no reason against it, but their effects may come to our bodies. And as for infectious Diseases, they come by a corporeal imitation, as by touch, either of the infected air, drawn in by breath, or entring through the pores of the Body, or of some things brought from infected places, or else by hearing; but diseases, caused by Conceit, have their beginning, as all alterations have, from the sensitive and rational Motions, which do not onely make the fear and conceit, but also the disease; for as a fright will sometimes cure diseases, so it will sometimes cause diseases; but as I said, both fright, cure, and the disease, are made by the rational and sensitive corporeal motions within the body, and not by Supernatural Magick, as Satanical Witchcraft, entering from without into the body by spiritual rays. But having discoursed hereof in my former Letter, I will not trouble you with an unnecessary repetition thereof; I conclude therefore with what I begun, _viz._ that I believe natural Magick to be natural corporeal motions in natural bodies: Not that I say, Nature in her self is a Magicianess, but it may be called natural Magick or Witchcraft, meerly in respect to our Ignorance; for though Nature is old, yet she is not a Witch, but a grave, wise, methodical Matron, ordering her Infinite family, which are her several parts, with ease and facility, without needless troubles and difficulties; for these are onely made through the ignorance of her several parts or particular Creatures, not understanding their Mistress, Nature, and her actions and government, for which they cannot be blamed; for how should a part understand the Infinite body, when it doth not understand it self; but Nature understands her parts better then they do her. And so leaving Wise Nature, and the Ignorance of her Particulars, I understand my self so far that I am, Madam, _Your humble and_