And here we must confess, at the outset, that geology furnishes us no more

evidence than the other sciences of the creation of the matter of the

universe out of nothing. But it does furnish us with examples of such

modifications of matter as could be effected only by a Deity. Suppose,

then, we should be obliged to acknowledge to the atheist, that we yield to

him the point of matter's eternal existence, if he pleases, because we can

find nowhere in nature decisive evidence of its creation, and then take

our stand upon the arrangements and metamorphoses of matter. Or, rather,

suppose we say to him, that we shall not contend with him as to the origin

of matter, but challenge him to explain, if he can, without a Deity, its

modifications, as taught by geology. If that science does disclose to us

such changes on the globe as no power and wisdom but those of an infinite

God could produce, then of what consequence is it, so far as religion is

concerned, whether we can, or cannot, demonstrate the first creation of

matter? I can conceive of no religious truth that would be unfavorably

affected, though we should admit that this point cannot be settled. Let

us, then, at least for the sake of argument, admit that it cannot be, and

proceed to inquire whether, aside from this point, geology does not teach

us all that is necessary to establish the most perfect system of Theism. I

shall select four examples from that science, each of which is independent

of the others in its bearing upon the subject, since in this way the

argument will become cumulative; and if some are not satisfied with one

example, the others may produce conviction.

In the first place, geology teaches that the time has been when the earth

existed as a molten mass of matter, and, therefore, all the animals and

plants now existing upon its surface, and all those buried in its rocky

strata, must have had a beginning, or have been created. I should be

sustained by many probabilities, were I to go farther, and maintain that

the time was when the globe existed in a gaseous state--an opinion very

widely adopted by able philosophers of the present day. But as this view

is more hypothetical than my first position, which makes the earth a

liquid mass, and as nothing would be gained to the argument by supposing

it in a gaseous state, I shall not press that point. That it was once in a

state of fusion is probable from the very great heat still remaining in

its interior. But more direct proof of this results from the facts, now

admitted by almost all geologists, that the unstratified rocks have all

been melted, and that the stratified class have all, or nearly all, been

the result of disintegration and abrasion of the unstratified masses. A

striking confirmation of this opinion is the spheroidal figure of the

earth,--a figure precisely such as the globe would have assumed in

consequence of rotation, had it been in a fluid state. In fine, so many

and so decisive are the facts which point to the original igneous fluidity

of the globe, that no competent judge thinks of doubting that all the

matter of which it is composed, certainly its crust, has some time or

other been in that state. It is, however, the opinion of some geologists

of distinction, that the whole of it was not in fusion at the same time,

and that its different portions have passed successively through the

furnace. But this view of the subject scarcely affects my argument, since

at whatever period the fusion of any part took place, the destruction of

organic life, if it existed, must have been the consequence. The essential

thing is, to show that such was once the state of the earth that animals

and plants could not have existed on it. For if such was the case, their

creation must have been a subsequent operation; and if this did not

require an infinite Being to accomplish it, no result in nature would

demand his agency.

To prove the original igneous fluidity of the globe, we might have adopted

another course of argument. All will admit that the present temperature of

the interior of the earth is far more elevated than that of the

surrounding planetary spaces. The inevitable result is, from the known

laws of heat, that its radiation into the celestial spaces is constantly

going on, and consequently the earth's temperature is being constantly

lowered. Who can tell us now when this process of refrigeration commenced?

If no one, then there must have been a time when the heat was great enough

to fuse the whole globe. And the facts already stated confirm such an

inference. For all the efforts hitherto made to show that the earth may be

passing through regions of various temperatures, in its march around the

centre of centres, amount to nothing more than dreamy conjecture.

In order to feel the force of the argument, sustained by so many facts in

geology, just picture to yourselves this vast globe as a mass of liquid

fire. From such a world every thing organic must have been excluded, and

every thing combustible consumed, and only such combinations of matter

have existed as incandescent heat could not decompose. Compare such a

world with that now teeming with life, and beauty, and glory, which we

inhabit; and say, must not the transition to its present condition have

demanded the exercise of infinite power, infinite wisdom, and infinite

benevolence? You can, indeed, conceive how a solid crust might have formed

over the vast fiery ocean, by the simple radiation of heat; and then, too,

by natural laws, might the vapors have been condensed into oceans and

clouds, while volcanic force within might have lifted up our continents

and mountains above the flood. But what a picture of desolation and ruin

would such a world present, while unadorned with vegetation, and with no

voice of life to break the stillness of universal death! Here is, then,

the precise point where we need the interference of a Deity. Admit, if you

please, that atheism, with its eternal matter and the laws of nature at

command, might form a world without inhabitants. Who does not see, that to

bestow organization, and life, and instinct, to say nothing of intellect,

upon brute matter, is the loftiest prerogative of Jehovah? especially to

fill so vast a world as ours with its teeming millions, exhibiting ten

thousand diversities of size, form, and structure.

Let the atheist then exult in the belief of an eternal world. Geology

shows him that it must have been without inhabitants; and that, therefore,

the most wonderful part of the creation still remains to be accounted for;

while physiology teaches that the interference of an infinite Deity can

alone solve the enigma.

My second example from geology to disprove the notion of an eternal series

of animals and plants on the globe, is derived from the history of organic

remains. That history shows us clearly, that the earth, since its

creation, has been the seat of several distinct economies of life, each

occupying long periods, and successively passing away. During each of

these periods, distinct groups of animals and plants have occupied the

earth, the air, and the waters. Each successive group has been entirely

distinct from that which preceded it, though each group was exactly

adapted to the existing state of the climate and the food provided; so

that, had the different groups changed places with one another, they must

have perished, because their constitutions were adapted only to the state

of things during the period in which they actually lived. A distinguished

naturalist has recently declared that "he has discovered, in surveying the

entire series of fossil animal remains, five great groups, so completely

independent that no species whatever is found in more than one of

them."--_Deshayes._

Including the existing races, this would give us six entirely distinct

groups of organic beings that have lived in succession upon this globe

since it became a habitable world. But even if it should be found that a

few species are common to adjoining groups, the great truth would still

remain, that the different groups were too much unlike to be

contemporaries, and that consequently a new creation must have taken place

whenever each new group commenced its course.

It is probable the earth has changed its inhabitants more than the six

times that have been mentioned; some think as many as twelve times. But a

larger number cannot yet be proved so clearly; and could they be, they

would add nothing to this argument; for it rests mainly on the fact that

this change of organic life has even once been complete. We may, however,

very safely assume that the present animals and plants are the sixth group

that have occupied the globe.[12]

These facts being admitted, and who does not see the necessity of divine

interference, whenever one race of animals and plants passed from the

earth in order to repeople it? It is not difficult to conceive how

volcanic fires, or aqueous inundations, may have carried universal

destruction over the globe, and bereft it of inhabitants. But where, save

in the fiat of an infinite Deity, is the power that can make this universe

of death teem again with life and beauty? In the powerful language of Dr.

Chalmers, we may inquire, "Is there aught in the rude and boisterous play

of a great physical catastrophe that can germinate those exquisite

structures, which, during our yet undisturbed economy, have been

transmitted in pacific succession to the present day? What is there in the

rush, and turbulence, and mighty clamor of such great elements, of ocean

heaved from its old resting-place, and lifting its billows above the Alps

and the Andes of a former continent,--what is there in this to charm into

being the embryo of an infant family, wherewith to stock and to repeople a

now desolate world? We see in the sweeping energy and uproar of this

elemental war enough to account for the disappearance of all the old

generations, but nothing that might cradle any new generations into

existence, so as to have effloresced on ocean's deserted bed the life and

loveliness which are now before our eyes. At no juncture, we apprehend, in

the history of the world, is the interposition of the Deity more manifest

than at this; nor can we better account for so goodly a creation emerging

again into new forms of animation and beauty from the wreck of the old

one, than that the spirit of God moved on the face of chaos, and that

nature, turned by the last catastrophe into a wilderness, was again

repeopled at the utterance of his word."

Sir Isaac Newton has said, that "the growth of new systems out of old

ones, without the mediation of a divine power, seems to me apparently

absurd." He seems in this passage to have referred only to the

arrangements of matter, "with respect to size, figure, proportions, and

properties," and not to the principle of life, of instinct, or of

intellect. But when the latter are taken into the account, it must be

superlatively absurd to suppose new systems can grow out of old ones by

merely natural operations. He, indeed, who can bring himself to believe,

with a certain writer, that "the instincts of animals are nothing more

than inert and passive attractions, derived from the power of sensation,

and the instinctive operations of animals nothing more than

crystallizations produced through the agency of that power,"--such a man

could probably easily persuade himself that, by the help of galvanism,

animals and plants might be the result of natural operations. Such

doctrines, however, we shall examine in another lecture.

My third example from geology, showing the non-eternity of the present

condition of the globe, is the fact of the disappearance of several large

species of animals since the commencement of the most recent or alluvial

geological period. Certain large pachydermatous and other animals, such as

the fossil elephant, the mastodon, the megatherium, the mylodon, the

megalonyx, the glyptodon, the fossil horse, ox, deer, &c., also nine or

ten species of huge birds--the dinornis, the palapteryx, aptornis,

notornis, and nestor of New Zealand, the dodo of Mauritius and Bourbon,

and the pezohaps or solitaire of Rodriguez,--have ceased to exist since

the tertiary period; some of them--the birds, for instance--since man's

creation. Now, if any important species of animals from time to time

disappear from any system of organic life, it shows a tendency to ruin in

that system; for such is the intimate dependence of different beings upon

one another, that you cannot blot out one, certainly not a large number,

without disturbing the healthy balance between the whole, and probably

bringing the whole to ultimate ruin. At any rate, if several species die

out by natural processes, no reason can be given why others should not, in

like manner, disappear. And to prove that any organic system shows a

tendency to ruin is to show that it had a beginning.

My third example from geology, demonstrating the special interference of

the Deity in the affairs of this world, is the fact of the comparatively

recent commencement of the human race. That man was among the very last of

the animals created is made certain by the fact that his remains are found

only in the highest part of alluvium. This is rarely more than one hundred

feet in thickness, while the other fossiliferous strata, lying beneath the

alluvium, are six miles thick.

Hence man was not in existence during all the period in which these six

miles of strata were in a course of deposition, and he has existed only

during the comparatively short period in which the one hundred feet of

alluvium have been formed; nay, during only a small part of the alluvial

period. His bones, having the same chemical composition as the bones of

other animals, are no more liable to decay; and, therefore, had he lived

and died in any of the periods preceding the alluvial, his bones must have

been mixed with those of other animals belonging to those periods. But

they are not thus found in a single well-authenticated instance, and,

therefore, his existence has been limited to the alluvial period. Hence he

must have been created and placed upon the globe--such is the testimony of

geology--during the latter part of the alluvial period.

I might include in this example nearly all the other species of existing

animals and plants, since it is only a very few of these that are found

fossil, and such species are limited to the tertiary strata. But since

this might make some confusion in the argument, and since man is

confessedly at the head of the existing creation, I prefer to let his case

stand out alone, and to regard it _instar omnium_.

Here, then, we have a case in which geology can lay her finger upon the

precise epoch, in the revolutions of our globe, in which the most

complicated, perfect, and exalted being that ever dwelt upon its surface

first began to be. It was not the commencement of a mere zoophyte, or

cryptogamean plant, in which we see but little superiority to unorganized

matter, except in their possession of a low degree of vitality. But we

have a being complicated enough to contain a million of parts, endowed

with the two great attributes of life, sensibility and contractility, in

the highest degree, and, above all, possessing intellect and moral powers

far more wonderful than organization and animal life.

As to the period when the creation of such a being, by the most

astonishing of all miracles, took place, I believe there is no diversity

of opinion. At least, all agree that it was very recent; nay, although

geology can rarely give chronological dates, but only a succession of

events, she is able to say, from the monuments she deciphers, that man

cannot have occupied the globe more than six thousand years.

Now, if it was difficult to conceive how successive races of the inferior

animals and plants could have originated in the laws of nature, without

the special interference of the Deity, that difficulty increases in a

rapid ratio as we ascend on the scale of organization and intellect, and

attempt in the same manner to account for the origin of man without the

miraculous agency of Deity. The thorough-going materialist, however, does

not shrink from the effort. "Thought," says Bory de St. Vincent, "being

the necessary result of a certain kind of organization, wherever this

order is established, thought is necessarily derived from it; and it is no

more possible for the molecules of matter, arranged in a certain manner,

not to produce thought, than for brass, when smitten, not to return a

sound, or for creatures formed by this matter, after such and such laws,

not to walk, not to breathe, not to reproduce; in a word, not to exercise

any of the faculties which result from their peculiar mechanism of

organization."--Dict. Clas. _D. Hist. Nat._ art. _Matiere_.

This may seem, upon a superficial view, to be settling this matter at

once. But it merely shifts the difficulty from one part of the subject to

another. Admitting the premises of the materialist to be correct, it does

indeed show us the proximate cause of thought. But the mind immediately

inquires how a certain organization became possessed of such wonderful

power. Is it inherent in matter, or is it a power communicated to

organization by a supreme Being? If the latter, it is just what the

Theist contends for; if the former, then there is just as much necessity

for the original interposition of the Deity, in order to give matter such

an astonishing power, as there is, on the theory of the immaterialist, to

impart a spiritual and immortal principle to matter. The materialist will,

indeed, say that matter has possessed this power from eternity. But this

supposition, evidently absurd, does in fact invest matter with the

attributes of Deity; since those attributes, and those alone, are

sufficient to account for the phenomena. And besides, how is the fact to

be explained that this power was not exerted till six thousand years ago?

But with the exception of the materialist, I am sure that most reasoning

minds will feel as if the creation of the human family was one of the most

stupendous, perhaps the most stupendous, exercise of infinite power and

wisdom which the universe exhibits. If any change whatever demands a Deity

for its accomplishment, it must be this; and, therefore, geology presents,

in the case of man, the most striking example which nature could furnish

of a beginning of organic and intellectual life on the globe. It shows us

that there was a time, and that not remote, when the first link of the

curious chain of the human family, now constantly lengthening by

inflexible laws, was created.

I might now refer to certain recent discoveries in astronomy, which have

the same bearing upon the general argument as the examples that have been

quoted from geology, although less decisive. After the famous

demonstration of the eternity of the universe by La Grange, provided the

present laws of gravity alone control it, we could hardly expect that, so

soon, even astronomy would furnish proof of a disturbing cause, which must

ultimately and inevitably bring ruin among the heavenly bodies, if some

counteracting agency be not exerted. Yet such a source of derangement

exists in the supposed medium extending through all space, which has

already shown its retarding influence upon Enke's, Biela's, and Halley's

comets. And who can say that some of the vast periods which geology

discloses may not have been commensurate with those intervening between

catastrophes among the heavenly bodies as the result of the universal

resisting ether? At present, however, we can say only that we know such

long periods have existed in geology, and probably in astronomy. And their

mere existence is fatal to the idea of the eternity of the world in its

present state.

If, then, geology can clearly demonstrate the present state of the globe

to have had a beginning; if she can show us the period, by fair induction,

when one liquid, fiery ocean enveloped the whole earth; if she can show us

five or six economies of organic life successively flourishing and passing

away; if she can trace man back to his origin at a comparatively recent

date; if, in fact, she can show us that the most important operations on

the globe, and the most complicated and exalted organic races, had a

beginning; and if astronomy affords glimpses of similar changes,--then why

may we not safely leave the subject of the world's eternity an undecided

question, consistently with the most perfect Theism? If we can prove that

the power, the wisdom, and the benevolence of the Deity have again and

again interfered with the regular sequence of nature's operations, and

introduced new conditions and new and more perfect beings, by using the

matter already in existence, what though we cannot, by the light of

science, run back to the first production of matter itself? What though

the atheist should here be allowed to maintain his favorite theory that

matter never had a beginning? What doctrine of natural religion is

thereby unfavorably affected, if we can only show the interposition of the

Deity in all of matter's important modifications? Such an admission would

not prove matter to be eternal, but only that science has not yet placed

within the reach of man the means of proving its non-eternity. And really,

such an admission would be far more favorable to the cause of truth than

to rely, as theologians have done, on metaphysical subtilties to prove

that matter had a beginning. For the sceptical mind will not merely remain

unconvinced by such arguments, but be very apt to draw the sweeping

inference that all the doctrines of natural and revealed religion rest on

similar dreamy abstractions.

But is natural theology in fact destitute of all satisfactory proof that

the matter of the universe had a beginning? Such proof, it seems to me,

she will seek in vain in the wide fields of physical and mathematical

science; and the solution of the question which metaphysics offers, as we

have seen, does not satisfy. But there are sources of evidence on this

point which seem to me of the most satisfactory kind.

In the first place, we may derive from science some presumptive proof of a

commencement of the matter of the universe. The fact that the organic

races on the globe had a beginning affords such proof. For matter could

not have originated itself; nor is there any proof of its eternal

existence; and to assume that it did eternally exist, without proof, is

far more unphilosophical than to admit its origination in the divine will.

For since God has complete control over matter, it is probable that he

created it with such properties as he wished it to possess. And

furthermore, to the power and wisdom that could set in motion the heavenly

bodies, and create and adapt existing organisms out of preexistent matter,

we can assign no limits, and hence conclude them to be infinite.

Therefore they are sufficient to the production of matter, which could not

have demanded more than infinite wisdom and power.

Now, in confirmation of these presumptions, we may appeal to the Bible. It

is true that writers have been accustomed to consider it contrary to sound

logic to draw from revelation any support or illustrations of natural

religion. But why should an historical fact possess less value, if

transmitted to us through the channel of sacred, rather than profane,

writers? Now, it would be regarded as perfectly good reasoning to seize

upon any facts stated by heathen philosophers and historians, illustrative

of natural religion. But the Scriptures carry with them, to say the least,

quite as strong evidence of their authenticity and claims to be credited,

as any ancient uninspired writer. We place them on the same ground as any

other history, and demand for them only that they should be believed so

far as we have testimony to their authenticity. If a man, after careful

examination of their evidences, comes to the conclusion that they are mere

fables, then to him their testimony is of no value to prove or illustrate

any truth of natural religion. But if he is convinced that they are worthy

of credence, then their statements may decide a point about which the

light of nature leaves him in uncertainty. In this way the Bible is used

by the natural theologian, just as he would employ any curious object in

nature--say, the human hand, or the eye. These organs exist, and their

mechanism is to be accounted for either with or without a God. And so the

Bible exists, and its contents are to be accounted for; and if they

clearly evince the agency of a Deity, then we may use them, just as we

would use the eye or the hand, to prove or illustrate important truths in

natural theology.

But the testimony of the Bible, as to the origin of the world, is most

explicit and decided. It declares that _in the beginning God created the

heavens and the earth; and that the worlds were formed by the word of God,

so that the things which are seen were not made of things which do

appear_. The obvious meaning of this latter passage is, that the material

universe was created out of nothing. ([Greek: ta me phainomena].) How much

more satisfactory this simple and consistent statement, than a volume of

abstract argument to prove the non-eternity of the world!

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