e Will,
Understanding, and Memory, are placed within the Skull, being not so
crass as the Eyes and Ears, and yet are material, in as much as the most
subtile Spirits that we have in the Body are corporeal.

_Fa._ And can they be vitiated with Meat and Drink too?

_Eu._ Yes.

_Fa._ The Brain is a great Way off from the Stomach.

_Eu._ And so is the Funnel of a Chimney from the Fire-Hearth, yet if
you sit upon it you'll feel the Smoke.

_Fa._ I shan't try that Experiment.

_Eu._ Well, if you won't believe me, ask the Storks. And so it is of
Moment what Spirits, and what Vapours ascend from the Stomach to the
Brain, and the Organs of the Mind. For if these are crude or cold they
stay in the Stomach.

_Fa._ Pshaw! You're describing to me an Alembick, in which we distil
Simple-Waters.

_Eu._ You don't guess much amiss. For the Liver, to which the Gall
adheres, is the Fire-Place; the Stomach, the Pan; the Scull, the Top of
the Still; and if you please, you may call the Nose the Pipe of it. And
from this Flux or Reflux of Humours, almost all Manner of Diseases
proceed, according as a different Humour falls down after a different
Manner, sometimes into the Eyes, sometimes into the Stomach, sometimes
into the Shoulders, and sometimes into the Neck, and elsewhere. And that
you may understand me the better, why have those that guzzle a great
Deal of Wine bad Memories? Why are those that feed upon light Food, not
of so heavy a Disposition? Why does Coriander help the Memory? Why does
Hellebore purge the Memory? Why does a great Expletion cause an
Epilepsy, which at once brings a Stupor upon all the Senses, as in a
profound Sleep? In the last Place, as violent Thirst or Want weaken the
Strength of Wit or Memory in Boys, so Food eaten immoderately makes Boys
dull-headed, if we believe _Aristotle_; in that the Fire of the Mind is
extinguish'd by the heaping on too much Matter.

_Fa._ Why then, is the Mind corporeal, so as to be affected with
corporeal Things?

_Eu._ Indeed the Nature itself of the rational Soul is not corrupted;
but the Power and Action of it are impeded by the Organs being vitiated,
as the Art of an Artist will stand him in no Stead, if he has not
Instruments.

_Fa._ Of what Bulk, and in what Form is the Mind?

_Eu._ You ask a ridiculous Question, what Bulk and Form the Mind is of,
when you have allow'd it to be incorporeal.

_Fa._ I mean the Body that is felt.

_Eu._ Nay, those Bodies that are not