Chapter XIV: Section 8 (5)

These elements, therefore, God employed for the sake of
distributing moisture from the belly into the veins, weaving
together a network of fire and air like a weel, having at the
entrance two lesser weels; further he constructed one of these
with two openings, and from the lesser weels he extended cords
reaching all round to the extremities of the network. All the
interior of the net he made of fire, but the lesser weels and
their cavity, of air. The network he took and spread over the
newly-formed animal in the following manner:—He let the lesser
weels pass into the mouth; there were two of them, and one he let
down by the air-pipes into the lungs, the other by the side of
the air-pipes into the belly. The former he divided into two
branches, both of which he made to meet at the channels of the
nose, so that when the way through the mouth did not act, the
streams of the mouth as well were replenished through the nose.
With the other cavity (i.e. of the greater weel) he enveloped the
hollow parts of the body, and at one time he made all this to
flow into the lesser weels, quite gently, for they are composed
of air, and at another time he caused the lesser weels to flow
back again; and the net he made to find a way in and out through
the pores of the body, and the rays of fire which are bound fast
within followed the passage of the air either way, never at any
time ceasing so long as the mortal being holds together. This
process, as we affirm, the name-giver named inspiration and
expiration. And all this movement, active as well as passive,
takes place in order that the body, being watered and cooled, may
receive nourishment and life; for when the respiration is going
in and out, and the fire, which is fast bound within, follows it,
and ever and anon moving to and fro, enters through the belly and
reaches the meat and drink, it dissolves them, and dividing them
into small portions and guiding them through the passages where
it goes, pumps them as from a fountain into the channels of the
veins, and makes the stream of the veins flow through the body as
through a conduit.

Let us once more consider the phenomena of respiration, and
enquire into the causes which have made it what it is. They are
as follows:—Seeing that there is no such thing as a vacuum into
which any of those things which are moved can enter, and the
breath is carried from us into the external air, the next point
is, as will be clear to every one, that it does not go into a
vacant space, but pushes its neighbour out of its place, and that
which is thrust out in turn drives out its neighbour; and in this
way everything of necessity at last comes round to that place
from whence the breath came forth, and enters in there, and
following the breath, fills up the vacant space; and this goes on
like the rotation of a wheel, because there can be no such thing
as a vacuum. Wherefore also the breast and the lungs, when they
emit the breath, are replenished by the air which surrounds the
body and which enters in through the pores of the flesh and is
driven round in a circle; and again, the air which is sent away
and passes out through the body forces the breath inwards through
the passage of the mouth and the nostrils. Now the origin of this
movement may be supposed to be as follows. In the interior of
every animal the hottest part is that which is around the blood
and veins; it is in a manner an internal fountain of fire, which
we compare to the network of a creel, being woven all of fire and
extended through the centre of the body, while the outer parts
are composed of air. Now we must admit that heat naturally
proceeds outward to its own place and to its kindred element; and
as there are two exits for the heat, the one out through the
body, and the other through the mouth and nostrils, when it moves
towards the one, it drives round the air at the other, and that
which is driven round falls into the fire and becomes warm, and
that which goes forth is cooled. But when the heat changes its
place, and the particles at the other exit grow warmer, the
hotter air inclining in that direction and carried towards its
native element, fire, pushes round the air at the other; and this
being affected in the same way and communicating the same
impulse, a circular motion swaying to and fro is produced by the
double process, which we call inspiration and expiration.

The phenomena of medical cupping-glasses and of the swallowing of
drink and of the projection of bodies, whether discharged in the
air or bowled along the ground, are to be investigated on a
similar principle; and swift and slow sounds, which appear to be
high and low, and are sometimes discordant on account of their
inequality, and then again harmonical on account of the equality
of the motion which they excite in us. For when the motions of
the antecedent swifter sounds begin to pause and the two are
equalized, the slower sounds overtake the swifter and then propel
them. When they overtake them they do not intrude a new and
discordant motion, but introduce the beginnings of a slower,
which answers to the swifter as it dies away, thus producing a
single mixed expression out of high and low, whence arises a
pleasure which even the unwise feel, and which to the wise
becomes a higher sort of delight, being an imitation of divine
harmony in mortal motions. Moreover, as to the flowing of water,
the fall of the thunderbolt, and the marvels that are observed
about the attraction of amber and the Heraclean stones,—in none
of these cases is there any attraction; but he who investigates
rightly, will find that such wonderful phenomena are attributable
to the combination of certain conditions—the non-existence of a
vacuum, the fact that objects push one another round, and that
they change places, passing severally into their proper positions
as they are divided or combined.

Such as we have seen, is the nature and such are the causes of
respiration,—the subject in which this discussion originated. For
the fire cuts the food and following the breath surges up within,
fire and breath rising together and filling the veins by drawing
up out of the belly and pouring into them the cut portions of the
food; and so the streams of food are kept flowing through the
whole body in all animals. And fresh cuttings from kindred
substances, whether the fruits of the earth or herb of the field,
which God planted to be our daily food, acquire all sorts of
colours by their inter-mixture; but red is the most pervading of
them, being created by the cutting action of fire and by the
impression which it makes on a moist substance; and hence the
liquid which circulates in the body has a colour such as we have
described. The liquid itself we call blood, which nourishes the
flesh and the whole body, whence all parts are watered and empty
places filled.

Now the process of repletion and evacuation is effected after the
manner of the universal motion by which all kindred substances
are drawn towards one another. For the external elements which
surround us are always causing us to consume away, and
distributing and sending off like to like; the particles of
blood, too, which are divided and contained within the frame of
the animal as in a sort of heaven, are compelled to imitate the
motion of the universe. Each, therefore, of the divided parts
within us, being carried to its kindred nature, replenishes the
void. When more is taken away than flows in, then we decay, and
when less, we grow and increase.

The frame of the entire creature when young has the triangles of
each kind new, and may be compared to the keel of a vessel which
is just off the stocks; they are locked firmly together and yet
the whole mass is soft and delicate, being freshly formed of
marrow and nurtured on milk. Now when the triangles out of which
meats and drinks are composed come in from without, and are
comprehended in the body, being older and weaker than the
triangles already there, the frame of the body gets the better of
them and its newer triangles cut them up, and so the animal grows
great, being nourished by a multitude of similar particles. But
when the roots of the triangles are loosened by having undergone
many conflicts with many things in the course of time, they are
no longer able to cut or assimilate the food which enters, but
are themselves easily divided by the bodies which come in from
without. In this way every animal is overcome and decays, and
this affection is called old age. And at last, when the bonds by
which the triangles of the marrow are united no longer hold, and
are parted by the strain of existence, they in turn loosen the
bonds of the soul, and she, obtaining a natural release, flies
away with joy. For that which takes place according to nature is
pleasant, but that which is contrary to nature is painful. And
thus death, if caused by disease or produced by wounds, is
painful and violent; but that sort of death which comes with old
age and fulfils the debt of nature is the easiest of deaths, and
is accompanied with pleasure rather than with pain.

Now every one can see whence diseases arise. There are four
natures out of which the body is compacted, earth and fire and
water and air, and the unnatural excess or defect of these, or
the change of any of them from its own natural place into
another, or—since there are more kinds than one of fire and of
the other elements—the assumption by any of these of a wrong
kind, or any similar irregularity, produces disorders and
diseases; for when any of them is produced or changed in a manner
contrary to nature, the parts which were previously cool grow
warm, and those which were dry become moist, and the light become
heavy, and the heavy light; all sorts of changes occur. For, as
we affirm, a thing can only remain the same with itself, whole
and sound, when the same is added to it, or subtracted from it,
in the same respect and in the same manner and in due proportion;
and whatever comes or goes away in violation of these laws causes
all manner of changes and infinite diseases and corruptions. Now
there is a second class of structures which are also natural, and
this affords a second opportunity of observing diseases to him
who would understand them. For whereas marrow and bone and flesh
and sinews are composed of the four elements, and the blood,
though after another manner, is likewise formed out of them, most
diseases originate in the way which I have described; but the
worst of all owe their severity to the fact that the generation
of these substances proceeds in a wrong order; they are then
destroyed. For the natural order is that the flesh and sinews
should be made of blood, the sinews out of the fibres to which
they are akin, and the flesh out of the clots which are formed
when the fibres are separated. And the glutinous and rich matter
which comes away from the sinews and the flesh, not only glues
the flesh to the bones, but nourishes and imparts growth to the
bone which surrounds the marrow; and by reason of the solidity of
the bones, that which filters through consists of the purest and
smoothest and oiliest sort of triangles, dropping like dew from
the bones and watering the marrow. Now when each process takes
place in this order, health commonly results; when in the
opposite order, disease. For when the flesh becomes decomposed
and sends back the wasting substance into the veins, then an
over-supply of blood of diverse kinds, mingling with air in the
veins, having variegated colours and bitter properties, as well
as acid and saline qualities, contains all sorts of bile and
serum and phlegm. For all things go the wrong way, and having
become corrupted, first they taint the blood itself, and then
ceasing to give nourishment to the body they are carried along
the veins in all directions, no longer preserving the order of
their natural courses, but at war with themselves, because they
receive no good from one another, and are hostile to the abiding
constitution of the body, which they corrupt and dissolve. The
oldest part of the flesh which is corrupted, being hard to
decompose, from long burning grows black, and from being
everywhere corroded becomes bitter, and is injurious to every
part of the body which is still uncorrupted. Sometimes, when the
bitter element is refined away, the black part assumes an acidity
which takes the place of the bitterness; at other times the
bitterness being tinged with blood has a redder colour; and this,
when mixed with black, takes the hue of grass; and again, an
auburn colour mingles with the bitter matter when new flesh is
decomposed by the fire which surrounds the internal flame;—to all
which symptoms some physician perhaps, or rather some
philosopher, who had the power of seeing in many dissimilar
things one nature deserving of a name, has assigned the common
name of bile. But the other kinds of bile are variously
distinguished by their colours. As for serum, that sort which is
the watery part of blood is innocent, but that which is a
secretion of black and acid bile is malignant when mingled by the
power of heat with any salt substance, and is then called acid
phlegm. Again, the substance which is formed by the liquefaction
of new and tender flesh when air is present, if inflated and
encased in liquid so as to form bubbles, which separately are
invisible owing to their small size, but when collected are of a
bulk which is visible, and have a white colour arising out of the
generation of foam—all this decomposition of tender flesh when
intermingled with air is termed by us white phlegm. And the whey
or sediment of newly-formed phlegm is sweat and tears, and
includes the various daily discharges by which the body is
purified. Now all these become causes of disease when the blood
is not replenished in a natural manner by food and drink but
gains bulk from opposite sources in violation of the laws of
nature. When the several parts of the flesh are separated by
disease, if the foundation remains, the power of the disorder is
only half as great, and there is still a prospect of an easy
recovery; but when that which binds the flesh to the bones is
diseased, and no longer being separated from the muscles and
sinews, ceases to give nourishment to the bone and to unite flesh
and bone, and from being oily and smooth and glutinous becomes
rough and salt and dry, owing to bad regimen, then all the
substance thus corrupted crumbles away under the flesh and the
sinews, and separates from the bone, and the fleshy parts fall
away from their foundation and leave the sinews bare and full of
brine, and the flesh again gets into the circulation of the blood
and makes the previously-mentioned disorders still greater. And
if these bodily affections be severe, still worse are the prior
disorders; as when the bone itself, by reason of the density of
the flesh, does not obtain sufficient air, but becomes mouldy and
hot and gangrened and receives no nutriment, and the natural
process is inverted, and the bone crumbling passes into the food,
and the food into the flesh, and the flesh again falling into the
blood makes all maladies that may occur more virulent than those
already mentioned. But the worst case of all is when the marrow
is diseased, either from excess or defect; and this is the cause
of the very greatest and most fatal disorders, in which the whole
course of the body is reversed.

There is a third class of diseases which may be conceived of as
arising in three ways; for they are produced sometimes by wind,
and sometimes by phlegm, and sometimes by bile. When the lung,
which is the dispenser of the air to the body, is obstructed by
rheums and its passages are not free, some of them not acting,
while through others too much air enters, then the parts which
are unrefreshed by air corrode, while in other parts the excess
of air forcing its way through the veins distorts them and
decomposing the body is enclosed in the midst of it and occupies
the midriff; thus numberless painful diseases are produced,
accompanied by copious sweats. And oftentimes when the flesh is
dissolved in the body, wind, generated within and unable to
escape, is the source of quite as much pain as the air coming in
from without; but the greatest pain is felt when the wind gets
about the sinews and the veins of the shoulders, and swells them
up, and so twists back the great tendons and the sinews which are
connected with them. These disorders are called tetanus and
opisthotonus, by reason of the tension which accompanies them.
The cure of them is difficult; relief is in most cases given by
fever supervening. The white phlegm, though dangerous when
detained within by reason of the air-bubbles, yet if it can
communicate with the outside air, is less severe, and only
discolours the body, generating leprous eruptions and similar
diseases. When it is mingled with black bile and dispersed about
the courses of the head, which are the divinest part of us, the
attack if coming on in sleep, is not so severe; but when
assailing those who are awake it is hard to be got rid of, and
being an affection of a sacred part, is most justly called
sacred. An acid and salt phlegm, again, is the source of all
those diseases which take the form of catarrh, but they have many
names because the places into which they flow are manifold.

Inflammations of the body come from burnings and inflamings, and
all of them originate in bile. When bile finds a means of
discharge, it boils up and sends forth all sorts of tumours; but
when imprisoned within, it generates many inflammatory diseases,
above all when mingled with pure blood; since it then displaces
the fibres which are scattered about in the blood and are
designed to maintain the balance of rare and dense, in order that
the blood may not be so liquefied by heat as to exude from the
pores of the body, nor again become too dense and thus find a
difficulty in circulating through the veins. The fibres are so
constituted as to maintain this balance; and if any one brings
them all together when the blood is dead and in process of
cooling, then the blood which remains becomes fluid, but if they
are left alone, they soon congeal by reason of the surrounding
cold. The fibres having this power over the blood, bile, which is
only stale blood, and which from being flesh is dissolved again
into blood, at the first influx coming in little by little, hot
and liquid, is congealed by the power of the fibres; and so
congealing and made to cool, it produces internal cold and
shuddering. When it enters with more of a flood and overcomes the
fibres by its heat, and boiling up throws them into disorder, if
it have power enough to maintain its supremacy, it penetrates the
marrow and burns up what may be termed the cables of the soul,
and sets her free; but when there is not so much of it, and the
body though wasted still holds out, the bile is itself mastered,
and is either utterly banished, or is thrust through the veins
into the lower or upper belly, and is driven out of the body like
an exile from a state in which there has been civil war; whence
arise diarrhoeas and dysenteries, and all such disorders. When
the constitution is disordered by excess of fire, continuous heat
and fever are the result; when excess of air is the cause, then
the fever is quotidian; when of water, which is a more sluggish
element than either fire or air, then the fever is a tertian;
when of earth, which is the most sluggish of the four, and is
only purged away in a four-fold period, the result is a quartan
fever, which can with difficulty be shaken off.

Such is the manner in which diseases of the body arise; the
disorders of the soul, which depend upon the body, originate as
follows. We must acknowledge disease of the mind to be a want of
intelligence; and of this there are two kinds; to wit, madness
and ignorance. In whatever state a man experiences either of
them, that state may be called disease; and excessive pains and
pleasures are justly to be regarded as the greatest diseases to
which the soul is liable. For a man who is in great joy or in
great pain, in his unreasonable eagerness to attain the one and
to avoid the other, is not able to see or to hear anything
rightly; but he is mad, and is at the time utterly incapable of
any participation in reason. He who has the seed about the spinal
marrow too plentiful and overflowing, like a tree overladen with
fruit, has many throes, and also obtains many pleasures in his
desires and their offspring, and is for the most part of his life
deranged, because his pleasures and pains are so very great; his
soul is rendered foolish and disordered by his body; yet he is
regarded not as one diseased, but as one who is voluntarily bad,
which is a mistake. The truth is that the intemperance of love is
a disease of the soul due chiefly to the moisture and fluidity
which is produced in one of the elements by the loose consistency
of the bones. And in general, all that which is termed the
incontinence of pleasure and is deemed a reproach under the idea
that the wicked voluntarily do wrong is not justly a matter for
reproach. For no man is voluntarily bad; but the bad become bad
by reason of an ill disposition of the body and bad education,
things which are hateful to every man and happen to him against
his will. And in the case of pain too in like manner the soul
suffers much evil from the body. For where the acid and briny
phlegm and other bitter and bilious humours wander about in the
body, and find no exit or escape, but are pent up within and
mingle their own vapours with the motions of the soul, and are
blended with them, they produce all sorts of diseases, more or
fewer, and in every degree of intensity; and being carried to the
three places of the soul, whichever they may severally assail,
they create infinite varieties of ill-temper and melancholy, of
rashness and cowardice, and also of forgetfulness and stupidity.
Further, when to this evil constitution of body evil forms of
government are added and evil discourses are uttered in private
as well as in public, and no sort of instruction is given in
youth to cure these evils, then all of us who are bad become bad
from two causes which are entirely beyond our control. In such
cases the planters are to blame rather than the plants, the
educators rather than the educated. But however that may be, we
should endeavour as far as we can by education, and studies, and
learning, to avoid vice and attain virtue; this, however, is part
of another subject.

There is a corresponding enquiry concerning the mode of treatment
by which the mind and the body are to be preserved, about which
it is meet and right that I should say a word in turn; for it is
more our duty to speak of the good than of the evil. Everything
that is good is fair, and the fair is not without proportion, and
the animal which is to be fair must have due proportion. Now we
perceive lesser symmetries or proportions and reason about them,
but of the highest and greatest we take no heed; for there is no
proportion or disproportion more productive of health and
disease, and virtue and vice, than that between soul and body.
This however we do not perceive, nor do we reflect that when a
weak or small frame is the vehicle of a great and mighty soul, or
conversely, when a little soul is encased in a large body, then
the whole animal is not fair, for it lacks the most important of
all symmetries; but the due proportion of mind and body is the
fairest and loveliest of all sights to him who has the seeing
eye. Just as a body which has a leg too long, or which is
unsymmetrical in some other respect, is an unpleasant sight, and
also, when doing its share of work, is much distressed and makes
convulsive efforts, and often stumbles through awkwardness, and
is the cause of infinite evil to its own self—in like manner we
should conceive of the double nature which we call the living
being; and when in this compound there is an impassioned soul
more powerful than the body, that soul, I say, convulses and
fills with disorders the whole inner nature of man; and when
eager in the pursuit of some sort of learning or study, causes
wasting; or again, when teaching or disputing in private or in
public, and strifes and controversies arise, inflames and
dissolves the composite frame of man and introduces rheums; and
the nature of this phenomenon is not understood by most
professors of medicine, who ascribe it to the opposite of the
real cause. And once more, when a body large and too strong for
the soul is united to a small and weak intelligence, then
inasmuch as there are two desires natural to man,—one of food for
the sake of the body, and one of wisdom for the sake of the
diviner part of us—then, I say, the motions of the stronger,
getting the better and increasing their own power, but making the
soul dull, and stupid, and forgetful, engender ignorance, which
is the greatest of diseases. There is one protection against both
kinds of disproportion:—that we should not move the body without
the soul or the soul without the body, and thus they will be on
their guard against each other, and be healthy and well balanced.
And therefore the mathematician or any one else whose thoughts
are much absorbed in some intellectual pursuit, must allow his
body also to have due exercise, and practise gymnastic; and he
who is careful to fashion the body, should in turn impart to the
soul its proper motions, and should cultivate music and all
philosophy, if he would deserve to be called truly fair and truly
good. And the separate parts should be treated in the same
manner, in imitation of the pattern of the universe; for as the
body is heated and also cooled within by the elements which enter
into it, and is again dried up and moistened by external things,
and experiences these and the like affections from both kinds of
motions, the result is that the body if given up to motion when
in a state of quiescence is overmastered and perishes; but if any
one, in imitation of that which we call the foster-mother and
nurse of the universe, will not allow the body ever to be
inactive, but is always producing motions and agitations through
its whole extent, which form the natural defence against other
motions both internal and external, and by moderate exercise
reduces to order according to their affinities the particles and
affections which are wandering about the body, as we have already
said when speaking of the universe, he will not allow enemy
placed by the side of enemy to stir up wars and disorders in the
body, but he will place friend by the side of friend, so as to
create health. Now of all motions that is the best which is
produced in a thing by itself, for it is most akin to the motion
of thought and of the universe; but that motion which is caused
by others is not so good, and worst of all is that which moves
the body, when at rest, in parts only and by some external
agency. Wherefore of all modes of purifying and re-uniting the
body the best is gymnastic; the next best is a surging motion, as
in sailing or any other mode of conveyance which is not
fatiguing; the third sort of motion may be of use in a case of
extreme necessity, but in any other will be adopted by no man of
sense: I mean the purgative treatment of physicians; for diseases
unless they are very dangerous should not be irritated by
medicines, since every form of disease is in a manner akin to the
living being, whose complex frame has an appointed term of life.
For not the whole race only, but each individual—barring
inevitable accidents—comes into the world having a fixed span,
and the triangles in us are originally framed with power to last
for a certain time, beyond which no man can prolong his life. And
this holds also of the constitution of diseases; if any one
regardless of the appointed time tries to subdue them by
medicine, he only aggravates and multiplies them. Wherefore we
ought always to manage them by regimen, as far as a man can spare
the time, and not provoke a disagreeable enemy by medicines.

Enough of the composite animal, and of the body which is a part
of him, and of the manner in which a man may train and be trained
by himself so as to live most according to reason: and we must
above and before all provide that the element which is to train
him shall be the fairest and best adapted to that purpose. A
minute discussion of this subject would be a serious task; but
if, as before, I am to give only an outline, the subject may not
unfitly be summed up as follows.

I have often remarked that there are three kinds of soul located
within us, having each of them motions, and I must now repeat in
the fewest words possible, that one part, if remaining inactive
and ceasing from its natural motion, must necessarily become very
weak, but that which is trained and exercised, very strong.
Wherefore we should take care that the movements of the different
parts of the soul should be in due proportion.

And we should consider that God gave the sovereign part of the
human soul to be the divinity of each one, being that part which,
as we say, dwells at the top of the body, and inasmuch as we are
a plant not of an earthly but of a heavenly growth, raises us
from earth to our kindred who are in heaven. And in this we say
truly; for the divine power suspended the head and root of us
from that place where the generation of the soul first began, and
thus made the whole body upright. When a man is always occupied
with the cravings of desire and ambition, and is eagerly striving
to satisfy them, all his thoughts must be mortal, and, as far as
it is possible altogether to become such, he must be mortal every
whit, because he has cherished his mortal part. But he who has
been earnest in the love of knowledge and of true wisdom, and has
exercised his intellect more than any other part of him, must
have thoughts immortal and divine, if he attain truth, and in so
far as human nature is capable of sharing in immortality, he must
altogether be immortal; and since he is ever cherishing the
divine power, and has the divinity within him in perfect order,
he will be perfectly happy. Now there is only one way of taking
care of things, and this is to give to each the food and motion
which are natural to it. And the motions which are naturally akin
to the divine principle within us are the thoughts and
revolutions of the universe. These each man should follow, and
correct the courses of the head which were corrupted at our
birth, and by learning the harmonies and revolutions of the
universe, should assimilate the thinking being to the thought,
renewing his original nature, and having assimilated them should
attain to that perfect life which the gods have set before
mankind, both for the present and the future.

Thus our original design of discoursing about the universe down
to the creation of man is nearly completed. A brief mention may
be made of the generation of other animals, so far as the subject
admits of brevity; in this manner our argument will best attain a
due proportion. On the subject of animals, then, the following
remarks may be offered. Of the men who came into the world, those
who were cowards or led unrighteous lives may with reason be
supposed to have changed into the nature of women in the second
generation. And this was the reason why at that time the gods
created in us the desire of sexual intercourse, contriving in man
one animated substance, and in woman another, which they formed
respectively in the following manner. The outlet for drink by
which liquids pass through the lung under the kidneys and into
the bladder, which receives and then by the pressure of the air
emits them, was so fashioned by them as to penetrate also into
the body of the marrow, which passes from the head along the neck
and through the back, and which in the preceding discourse we
have named the seed. And the seed having life, and becoming
endowed with respiration, produces in that part in which it
respires a lively desire of emission, and thus creates in us the
love of procreation. Wherefore also in men the organ of
generation becoming rebellious and masterful, like an animal
disobedient to reason, and maddened with the sting of lust, seeks
to gain absolute sway; and the same is the case with the
so-called womb or matrix of women; the animal within them is
desirous of procreating children, and when remaining unfruitful
long beyond its proper time, gets discontented and angry, and
wandering in every direction through the body, closes up the
passages of the breath, and, by obstructing respiration, drives
them to extremity, causing all varieties of disease, until at
length the desire and love of the man and the woman, bringing
them together and as it were plucking the fruit from the tree,
sow in the womb, as in a field, animals unseen by reason of their
smallness and without form; these again are separated and matured
within; they are then finally brought out into the light, and
thus the generation of animals is completed.

Thus were created women and the female sex in general. But the
race of birds was created out of innocent light-minded men, who,
although their minds were directed toward heaven, imagined, in
their simplicity, that the clearest demonstration of the things
above was to be obtained by sight; these were remodelled and
transformed into birds, and they grew feathers instead of hair.
The race of wild pedestrian animals, again, came from those who
had no philosophy in any of their thoughts, and never considered
at all about the nature of the heavens, because they had ceased
to use the courses of the head, but followed the guidance of
those parts of the soul which are in the breast. In consequence
of these habits of theirs they had their front-legs and their
heads resting upon the earth to which they were drawn by natural
affinity; and the crowns of their heads were elongated and of all
sorts of shapes, into which the courses of the soul were crushed
by reason of disuse. And this was the reason why they were
created quadrupeds and polypods: God gave the more senseless of
them the more support that they might be more attracted to the
earth. And the most foolish of them, who trail their bodies
entirely upon the ground and have no longer any need of feet, he
made without feet to crawl upon the earth. The fourth class were
the inhabitants of the water: these were made out of the most
entirely senseless and ignorant of all, whom the transformers did
not think any longer worthy of pure respiration, because they
possessed a soul which was made impure by all sorts of
transgression; and instead of the subtle and pure medium of air,
they gave them the deep and muddy sea to be their element of
respiration; and hence arose the race of fishes and oysters, and
other aquatic animals, which have received the most remote
habitations as a punishment of their outlandish ignorance. These
are the laws by which animals pass into one another, now, as
ever, changing as they lose or gain wisdom and folly.

We may now say that our discourse about the nature of the
universe has an end. The world has received animals, mortal and
immortal, and is fulfilled with them, and has become a visible
animal containing the visible—the sensible God who is the image
of the intellectual, the greatest, best, fairest, most
perfect—the one only-begotten heaven.