Through Nature to God Part 4

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_The Central Fact in the Genesis of Man_

This conclusion, which follows irresistibly from Wallace's theorem, that in the genesis of Humanity natural selection began to follow a new path, already throws a light of promise over our whole subject, like the rosy dawn of a June morning. But the explanation of the genesis of Humanity is still far from complete. If we compare man with any of the higher mammals, such as dogs and horses and apes, we are struck with several points of difference: _first_, the greater progressiveness of man, the widening of the interval by which one generation may vary from its predecessor; _secondly_, the definite grouping in societies based on more or less permanent family relations.h.i.+ps, instead of the indefinite grouping in miscellaneous herds or packs; _thirdly_, the possession of articulate speech; _fourthly_, the enormous increase in the duration of infancy, or the period when parental care is needed. Twenty-four years ago, in a course of lectures given yonder in Holden Chapel, I showed that the circ.u.mstance last named is the fundamental one, and the others are derivative. It is the prolonged infancy that has caused the progressiveness and the grouping into definite societies, while the development of language was a consequence of the increasing intelligence and sociality thus caused. In the genesis of Humanity the central fact has been the increased duration of infancy. Now, can we a.s.sign for that increased duration an adequate cause? I think we can. The increase of intelligence is itself such a cause. A glance at the animal kingdom shows us no such thing as infancy among the lower orders. It is with warm-blooded birds and mammals that the phenomena of infancy and the correlative parental care really begin.

[Ill.u.s.tration]

VII

_The Chief Cause of Man's lengthened Infancy_



The reason for this is that any creature's ability to perceive and to act depends upon the registration of experiences in his nerve-centres.

It is either individual or ancestral experience that is thus registered; or, strictly speaking, it is both. It is of the first importance that this point should be clearly understood, and therefore a few words of elementary explanation will not be superfluous.

When you learn to play the piano, you gradually establish innumerable a.s.sociations between printed groups of notes and the corresponding keys on the key-board, and you also train the fingers to execute a vast number of rapid and complicated motions. The process is full of difficulty, and involves endless repet.i.tion. After some years perhaps you can play at sight and with almost automatic ease a polonaise of Liszt or a ballad of Chopin. Now this result is possible only because of a bodily change which has taken place in you. Countless molecular alterations have been wrought in the structure of sundry nerves and muscles, especially in the gray matter of sundry ganglia, or nerve-centres. Every ganglion concerned in the needful adjustments of eyes and fingers and wrists, or in the perception of musical sounds, has undergone a change more or less profound. The nature of the change is largely a matter of speculation; but that point need not in any way concern us. It is enough for us to know that there is such a change, and that it is a registration of experiences. The pianist has registered in the intimate structure of his nervous system a world of experiences entirely foreign to persons unfamiliar with the piano; and upon this registration his capacity depends.

Now the same explanation applies to all bodily movements whatever, whether complicated or simple. In writing, in walking, in talking, we are making use of nervous registrations that have been brought about by an acc.u.mulation of experiences. To pick up a pencil from the table may seem a very simple act, yet a baby cannot do it. It has been made possible only by the education of the eyes, of the muscles that move the eyes, of the arm and hand, and of the nerve-centres that coordinate one group of movements with another. All this multiform education has consisted in a gradual registration of experiences. In like manner all the actions of man upon the world about him are made up of movements, and every such movement becomes possible only when a registration is effected in sundry nerve-centres.

But this is not the whole story. The case is undoubtedly the same with those visceral movements, involuntary and in great part unconscious, which sustain life; the beating of the heart, the expansion and contraction of the lungs, the slight changes of calibre in the blood-vessels, even the movements of secretion that take place in glands. All these actions are governed by nerves, and these nerves have had to be educated to their work. This education has been a registration of experiences chiefly ancestral, throughout an enormous past, practically since the beginnings of vertebrate life.

With the earlier and simpler forms of animal existence these visceral movements are the only ones, or almost the only ones, that have to be made. Presently the movements of limbs and sense organs come to be added, and as we rise in the animal scale, these movements come to be endlessly various and complex, and by and by implicate the nervous system more and more deeply in complex acts of perception, memory, reasoning, and volition. Obviously, therefore, in the development of the individual organism the demands of the nervous system upon the vital energies concerned in growth must come to be of paramount importance, and in providing for them the entire embryonic life must be most profoundly and variously affected. Though we may be unable to follow the processes in detail, the truth of this general statement is plain and undeniable.

I say, then, that when a creature's intelligence is low, and its experience very meagre, consisting of a few simple perceptions and acts that occur throughout life with monotonous regularity, all the registration of this experience gets effected in the nerve-centres of its offspring before birth, and they come into the world fully equipped for the battle of life, like the snapping turtle, which snaps with decisive vigour as soon as it emerges from the egg. Nothing is left plastic to be finished after birth, and so the life of each generation is almost an exact repet.i.tion of its predecessor. But when a creature's intelligence is high, and its experience varied and complicated, the registration of all this experience in the nerve-centres of its offspring does not get accomplished before birth. There is not time enough. The most important registrations, such as those needed for breathing and swallowing and other indispensable acts, are fully effected; others, such as those needed for handling and walking, are but partially effected; others, such as those involved in the recognition of creatures not important as enemies or prey, are left still further from completion. Much is left to be done by individual experience after birth. The animal, when first born, is a baby dependent upon its mother's care. At the same time its intelligence is far more plastic, and it remains far more teachable, than the lower animal that has no babyhood. Dogs and horses, lions and elephants, often increase in sagacity until late in life; and so do apes, which, along with a higher intelligence than any other dumb animals, have a much longer babyhood.

We are now prepared to appreciate the marvellous beauty of Nature's work in bringing Man upon the scene. Nowhere is there any breach of continuity in the cosmic process. First we have natural selection at work throughout the organic world, bringing forth millions of species of plant and animal, seizing upon every advantage, physical or mental, that enables any species to survive in the universal struggle. So far as any outward observer, back in the Cretaceous or early Eocene periods, could surmise, this sort of confusion might go on forever. But all at once, perhaps somewhere in the upper Eocene or lower Miocene, it appears that among the primates, a newly developing family already distinguished for prehensile capabilities, one genus is beginning to sustain itself more by mental craft and s.h.i.+ftiness than by any physical characteristic.

Forthwith does natural selection seize upon any and every advantageous variation in this craft and s.h.i.+ftiness, until this favoured genus of primates, this _h.o.m.o Alalus_, or speechless man, as we may call him, becomes preeminent for sagacity, as the mammoth is preeminent for bulk, or the giraffe for length of neck.

[Ill.u.s.tration]

VIII

_Some of its Effects_

In doing this, natural selection has unlocked a door and let in a new set of causal agencies. As h.o.m.o Alalus grows in intelligence and variety of experience, his helpless babyhood becomes gradually prolonged, and pa.s.ses not into sudden maturity, but into a more or less plastic intermediate period of youth. Individual experience, as contrasted with ancestral experience, counts for much more than ever before in shaping his actions, and thus he begins to become progressive. He can learn many more new ways of doing things in a hundred thousand years than any other creature could have done in a much longer time. Thus the rate of progress is enhanced, the increasing intelligence of h.o.m.o Alalus further lengthens his plastic period of life, and this in turn further increases his intelligence and emphasizes his individuality. The evidence is abundant that h.o.m.o Alalus, like his simian cousins, was a gregarious creature, and it is not difficult to see how, with increasing intelligence, the gestures and grunts used in the horde for signalling must come to be clothed with added a.s.sociations of meaning, must gradually become generalized as signs of conceptions. This invention of spoken language, the first invention of nascent humanity, remains to this day its most fruitful invention. Henceforth ancestral experience could not simply be transmitted through its inheritable impress upon the nervous system, but its facts and lessons could become external materials and instruments of education. Then the children of h.o.m.o Alalus, no longer speechless, began to acc.u.mulate a fund of tradition, which in the fulness of time was to bloom forth in history and poetry, in science and theology. From the outset the acquisition of speech must greatly have increased the rate of progress, and enhanced the rudimentary sociality.

With the lengthening of infancy the period of maternal help and watchfulness must have lengthened in correspondence. Natural selection must keep those two things nicely balanced, or the species would soon become extinct. But h.o.m.o Alalus had not only a mother, but brethren and sisters; and when the period of infancy became sufficiently long, there were a series of Homunculi Alali, the eldest of whom still needed more or less care while the third and the fourth were arriving upon the scene. In this way the sentiment of maternity became abiding. The cow has strong feelings of maternal affection for periods of a few weeks at a time, but lapses into indifference and probably cannot distinguish her grown-up calves as sustaining any nearer relation to herself than other members of the herd. But Femina Alala, with her vastly enlarged intelligence, is called upon for the exercise of maternal affection until it becomes a permanent part of her nature. In the same group of circ.u.mstances begins the permanency of the marital relation. The warrior-hunter grows accustomed to defending the same wife and children and to helping them in securing food. Cases of what we may term wedlock, arising in this way, occur sporadically among apes; its thorough establishment, however, was not achieved until after the genesis of Humanity had been completed in most other respects. The elaborate researches of Westermarck have proved that permanent marriage exists even among savages; it did not prevail, however, until the advanced stage of culture represented by the Aztecs in aboriginal America and the Neolithic peoples of ancient Europe. As for strict monogamy, it is a comparatively late achievement of civilization. What the increased and multiplied duration of infancy at first accomplished was the transformation of miscellaneous hordes of Homines Alali into organized clans recognizing kins.h.i.+p through the mother, as exemplified among nearly all American Indians when observed by Europeans.

Thus by gradual stages we have pa.s.sed from four-footed existence into Human Society, and once more I would emphasize the fact that nowhere do we find any breach of continuity, but one factor sets another in operation, which in turn reacts upon the first, and so on in a marvellously harmonious consensus. Surely if there is anywhere in the universe a story matchless for its romantic interest, it is the story of the genesis of Man, now that we are at length beginning to be able to decipher it. We see that there is a good deal more in it than mere natural selection. At bottom, indeed, it is all a process of survival of the fittest, but the secondary agencies we have been considering have brought us to a point where our conception of the Struggle for Life must be enlarged. Out of the manifold compounding and recompounding of primordial clans have come the nations of mankind in various degrees of civilization, but already in the clan we find the ethical process at work. The clan has a code of morals well adapted to the conditions amid which it exists. There is an ethical sentiment in the clan; its members have duties toward it; it punishes sundry acts even with death, and rewards or extols sundry other acts. We are, in short, in an ethical atmosphere, crude and stifling, doubtless, as compared with that of a modern Christian homestead, but still unquestionably ethical.

[Ill.u.s.tration]

IX

_Origin of Moral Ideas and Sentiments_

Now, here at last, in encountering the ethical process at work, have we detected a breach of continuity? Has the moral sentiment been flung in from outside, or is it a natural result of the cosmic process we have been sketching? Clearly it is the latter. There has been no breach of continuity. When the prolongation of infancy produced the clan, there naturally arose reciprocal necessities of behaviour among the members of the clan, its mothers and children, its hunters and warriors. If such reciprocal necessities were to be disregarded the clan would dissolve, and dissolution would be general destruction. For, bear in mind, the clan, when once evolved, becomes the unit whose preservation is henceforth the permanent necessity. It is infancy that has made it so.

A miscellaneous horde, with brief infancies for its younger members, may survive a very extensive slaughter; but in a clan, where the proportion of helpless children is much greater, and a considerable division of labour between nurses and warriors has become established, the case is different. An amount or degree of calamity sufficient to break up its organization will usually mean total ruin. Hence, when Nature's travail has at length brought forth the clan, its requirements forthwith become paramount, and each member's conduct from babyhood must conform to them.

Natural selection henceforth invests her chief capital in the enterprise of preserving the clan. In that primitive social unit lie all the potentiality and promise of Human Society through untold future ages. So for age after age those clans in which the conduct of the individuals is best subordinated to the general welfare are sure to prevail over clans in which the subordination is less perfect. As the maternal instinct had been cultivated for thousands of generations before clans.h.i.+p came into existence, so for many succeeding ages of turbulence the patriotic instinct, which prompts to the defence of home, was cultivated under penalty of death. Clans defended by weakly loyal or cowardly warriors were sure to perish. Unflinching bravery and devoted patriotism were virtues necessary to the survival of the community, and were thus preserved until at the dawn of historic times, in the most grandly militant of clan societies, we find the word _virtus_ connoting just these qualities, and no sooner does the fateful gulf yawn open in the forum than a Curtius joyfully leaps into it, that the commonwealth may be preserved from harm.

Now the moment a man's voluntary actions are determined by conscious or unconscious reference to a standard outside of himself and his selfish motives, he has entered the world of ethics, he has begun to live in a moral atmosphere. Egoism has ceased to be all in all, and altruism--it is an ugly-sounding word, but seems to be the only one available--altruism has begun to a.s.sert its claim to sovereignty. In the earlier and purely animal stages of existence it was right enough for each individual to pursue pleasure and avoid pain; it did not endanger the welfare of the species, but on the contrary it favoured that welfare; in its origin avoidance of pain was the surest safeguard for the perpetuation of life, and with due qualifications that is still the case. But as soon as sociality became established, and Nature's supreme end became the maintenance of the clan organization, the standard for the individual's conduct became s.h.i.+fted, permanently and forever s.h.i.+fted. Limits were interposed at which pleasure must be resigned and pain endured, even certain death encountered, for the sake of the clan; perhaps the individual did not always understand it in that way, but at all events it was for the sake of some rule recognized in the clan, some rule which, as his mother and all his kin had from his earliest childhood inculcated upon him, _ought_ to be obeyed. This conception of ought, of obligation, of duty, of debt to something outside of self, resulted from the s.h.i.+fting of the standard of conduct outside of the individual's self. Once thus externalized, objectivized, the ethical standard demanded homage from the individual. It furnished the rule for a higher life than one dictated by mere selfishness. Speaking after the manner of naturalists, I here use the phrase "higher life" advisedly. It was the kind of life that was conducive to the preservation and further development of the highest form of animate existence that had been attained. It appears to me that we begin to find for ethics the most tremendous kind of sanction in the nature of the cosmic process.

A word of caution may be needed. It is not for a moment to be supposed that when primitive men began crudely shaping their conduct with reference to a standard outside of self, they did so as the result of meditation, or with any realizing sense of what they were doing. That has never been the method of evolution. Its results steal upon the world noiselessly and un.o.bserved, and only after they have long been with us does reason employ itself upon them. The wolf does not eat the lamb because he regards a flesh diet as necessary to his health and activity, but because he is hungry, and, like Mr. Harold Skimpole, he likes lamb.

It was no intellectual perception of needs and consequences that lengthened the maternal instinct with primeval mothers as the period of infancy lengthened. Nor was it any such intellectual perception that began to enthrone "I ought" in the place of "I wish." If in the world's recurrent crises Nature had waited to be served by the flickering lamp of reason, the story would not have been what it is. Her method has been, with the advent of a new situation, to modify the existing group of instincts; and this work she will not let be slighted; in her train follows the lictor with the symbols of death, and there is neither pity nor relenting. In the primeval warfare between clans, those in which the instincts were not so modified as to s.h.i.+ft the standard of conduct outside of the individual's self must inevitably have succ.u.mbed and perished under the pressure of those in which the instincts had begun to experience such modification. The moral law grew up in the world not because anybody asked for it, but because it was needed for the world's work. If it is not a product of the cosmic process, it would be hard to find anything that could be so called.

[Ill.u.s.tration]

X

_The Cosmic Process exists purely for the Sake of Moral Ends_

I have not undertaken to make my outline sketch of the genesis of Humanity approach to completeness, but only to present enough salient points to make a closely connected argument in showing how morality is evolved in the cosmic process and sanctioned by it. In a more complete sketch it would be necessary to say something about the genesis of Religion. One of the most interesting, and in my opinion one of the most profoundly significant, facts in the whole process of evolution is the first appearance of religious sentiment at very nearly the same stage at which the moral law began to grow up. To the differential attributes of Humanity already considered there needs to be added the possession of religious sentiment and religious ideas. We may safely say that this is the most important of all the distinctions between Man and other animals; for to say so is simply to epitomize the whole of human experience as recorded in history, art, and literature. Along with the rise from gregariousness to incipient sociality, along with the first stammerings of articulate speech, along with the dawning discrimination between right and wrong, came the earliest feeble groping toward a world beyond that which greets the senses, the first dim recognition of the Spiritual Power that is revealed in and through the visible and palpable realm of nature. And universally since that time the notion of Ethics has been inseparably a.s.sociated with the notion of Religion, and the sanction for Ethics has been held to be closely related with the world beyond phenomena. There are philosophers who maintain that with the further progress of enlightenment this close relation will cease to be a.s.serted, that Ethics will be divorced from Religion, and that the groping of the Human Soul after its G.o.d will be condemned as a mere survival from the errors of primitive savagery, a vain and idle reaching out toward a world of mere phantoms. I mention this opinion merely to express unqualified and total dissent from it. I believe it can be shown that one of the strongest implications of the doctrine of evolution is the Everlasting Reality of Religion.

But we have not time at present for entering upon so vast a subject. Let this reference suffice to show that it has not been pa.s.sed over or forgotten in my theory of the genesis of Humanity. In an account of the evolution of the religious sentiment, its first appearance as coeval, or nearly so, with the beginnings of the ethical process would a.s.sume great importance. We have here been concerned purely with the ethical process itself, which we have found to be--as Huxley truly says in his footnote--part and parcel of the general process of evolution. Our historical survey of the genesis of Humanity seems to show very forcibly that a society of Human Souls living in conformity to a perfect Moral Law is the end toward which, ever since the time when our solar system was a patch of nebulous vapour, the cosmic process has been aiming.

After our cooling planet had become the seat of organic life, the process of natural selection went on for long ages seemingly, but not really at random; for our retrospect shows that its ultimate tendency was towards singling out one creature and exalting his intelligence.

Now we have seen that this increase of intelligence itself, by entailing upon Man the helplessness of infancy, led directly to the production of those social conditions that called the ethical process into play and set it actively to work. Thus we may see the absurdity of trying to separate the moral nature of Man from the rest of his nature, and to a.s.sign for it a separate and independent history. The essential solidarity in the cosmic process will admit of no such fanciful detachment of one part from another. All parts are involved one in another. Again, the ethical process is not only part and parcel of the cosmic process, but it is its crown and consummation. Toward the spiritual perfection of Humanity the stupendous momentum of the cosmic process has all along been tending. That spiritual perfection is the true goal of evolution, the divine end that was involved in the beginning. When Huxley asks us to believe that "the cosmic process has no sort of relation to moral ends," I feel like replying with the question, "Does not the cosmic process exist purely for the sake of moral ends?" Subtract from the universe its ethical meaning, and nothing remains but an unreal phantom, the figment of false metaphysics.

We have now arrived at a position from which a glimmer of light is thrown upon some of the dark problems connected with the moral government of the world. We can begin to see why misery and wrongdoing are permitted to exist, and why the creative energy advances by such slow and tortuous methods toward the fulfilment of its divine purpose.

In order to understand these things, we must ask, What is the ultimate goal of the ethical process? According to the utilitarian philosophy that goal is the completion of human happiness. But this interpretation soon refutes itself. A world of completed happiness might well be a world of quiescence, of stagnation, of automatism, of blankness; the dynamics of evolution would have no place in it. But suppose we say that the ultimate goal of the ethical process is the perfecting of human character? This form of statement contains far more than the other.

Consummation of happiness is a natural outcome of the perfecting of character, but that perfecting can be achieved only through struggle, through discipline, through resistance. It is for him that _overcometh_ that the crown of life is reserved. The consummate product of a world of evolution is the character that _creates_ happiness, that is replete with dynamic possibilities of fresh life and activity in directions forever new. Such a character is the reflected image of G.o.d, and in it are contained the promise and potency of life everlasting.

No such character could be produced by any act of special creation in a garden of Eden. It must be the consummate efflorescence of long ages of evolution, and a world of evolution is necessarily characterized by slow processes, many of which to a looker-on seem like tentative experiments, with an enormous sacrifice of ephemeral forms of life. Thus while the Earth Spirit goes on, unhasting, yet unresting, weaving in the loom of Time the visible garment of G.o.d, we begin to see that even what look like failures and blemishes have been from the outset involved in the accomplishment of the all-wise and all-holy purpose, the perfecting of the spiritual Man in the likeness of his Heavenly Father.

Through Nature to God Part 4

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