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An Essay on the Principle of Population Part 4

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I entirely acquit Mr Pitt of any sinister intention in that clause of his Poor Bill which allows a shilling a week to every labourer for each child he has above three. I confess, that before the bill was brought into Parliament, and for some time after, I thought that such a regulation would be highly beneficial, but further reflection on the subject has convinced me that if its object be to better the condition of the poor, it is calculated to defeat the very purpose which it has in view. It has no tendency that I can discover to increase the produce of the country, and if it tend to increase the population, without increasing the produce, the necessary and inevitable consequence appears to be that the same produce must be divided among a greater number, and consequently that a day's labour will purchase a smaller quant.i.ty of provisions, and the poor therefore in general must be more distressed.

I have mentioned some cases where population may permanently increase without a proportional increase in the means of subsistence. But it is evident that the variation in different states, between the food and the numbers supported by it, is restricted to a limit beyond which it cannot pa.s.s. In every country, the population of which is not absolutely decreasing, the food must be necessarily sufficient to support, and to continue, the race of labourers.

Other circ.u.mstances being the same, it may be affirmed that countries are populous according to the quant.i.ty of human food which they produce, and happy according to the liberality with which that food is divided, or the quant.i.ty which a day's labour will purchase. Corn countries are more populous than pasture countries, and rice countries more populous than corn countries. The lands in England are not suited to rice, but they would all bear potatoes; and Dr Adam Smith observes that if potatoes were to become the favourite vegetable food of the common people, and if the same quant.i.ty of land was employed in their culture as is now employed in the culture of corn, the country would be able to support a much greater population, and would consequently in a very short time have it.

The happiness of a country does not depend, absolutely, upon its poverty or its riches, upon its youth or its age, upon its being thinly or fully inhabited, but upon the rapidity with which it is increasing, upon the degree in which the yearly increase of food approaches to the yearly increase of an unrestricted population. This approximation is always the nearest in new colonies, where the knowledge and industry of an old state operate on the fertile unappropriated land of a new one.

In other cases, the youth or the age of a state is not in this respect of very great importance. It is probable that the food of Great Britain is divided in as great plenty to the inhabitants, at the present period, as it was two thousand, three thousand, or four thousand years ago. And there is reason to believe that the poor and thinly inhabited tracts of the Scotch Highlands are as much distressed by an overcharged population as the rich and populous province of Flanders.

Were a country never to be overrun by a people more advanced in arts, but left to its own natural progress in civilization; from the time that its produce might be considered as an unit, to the time that it might be considered as a million, during the lapse of many hundred years, there would not be a single period when the ma.s.s of the people could be said to be free from distress, either directly or indirectly, for want of food. In every state in Europe, since we have first had accounts of it, millions and millions of human existences have been repressed from this simple cause; though perhaps in some of these states an absolute famine has never been known.

Famine seems to be the last, the most dreadful resource of nature. The power of population is so superior to the power in the earth to produce subsistence for man, that premature death must in some shape or other visit the human race. The vices of mankind are active and able ministers of depopulation. They are the precursors in the great army of destruction; and often finish the dreadful work themselves. But should they fail in this war of extermination, sickly seasons, epidemics, pestilence, and plague, advance in terrific array, and sweep off their thousands and ten thousands. Should success be still incomplete, gigantic inevitable famine stalks in the rear, and with one mighty blow levels the population with the food of the world.

Must it not then be acknowledged by an attentive examiner of the histories of mankind, that in every age and in every state in which man has existed, or does now exist.

That the increase of population is necessarily limited by the means of subsistence.

That population does invariably increase when the means of subsistence increase. And that the superior power of population it repressed, and the actual population kept equal to the means of subsistence, by misery and vice?

CHAPTER 8

Mr Wallace--Error of supposing that the difficulty arising from population is at a great distance--Mr Condorcet's sketch of the progress of the human mind--Period when the oscillation, mentioned by Mr Condorcet, ought to be applied to the human race.

To a person who draws the preceding obvious inferences, from a view of the past and present state of mankind, it cannot but be a matter of astonishment that all the writers on the perfectibility of man and of society who have noticed the argument of an overcharged population, treat it always very slightly and invariably represent the difficulties arising from it as at a great and almost immeasurable distance. Even Mr Wallace, who thought the argument itself of so much weight as to destroy his whole system of equality, did not seem to be aware that any difficulty would occur from this cause till the whole earth had been cultivated like a garden and was incapable of any further increase of produce. Were this really the case, and were a beautiful system of equality in other respects practicable, I cannot think that our ardour in the pursuit of such a scheme ought to be damped by the contemplation of so remote a difficulty. An event at such a distance might fairly be left to providence, but the truth is that if the view of the argument given in this Essay be just the difficulty, so far from being remote, would be imminent and immediate. At every period during the progress of cultivation, from the present moment to the time when the whole earth was become like a garden, the distress for want of food would be constantly pressing on all mankind, if they were equal. Though the produce of the earth might be increasing every year, population would be increasing much faster, and the redundancy must necessarily be repressed by the periodical or constant action of misery or vice.

Mr Condorcet's Esquisse d'un Tableau Historique des Progres de l'Esprit Humain, was written, it is said, under the pressure of that cruel proscription which terminated in his death. If he had no hopes of its being seen during his life and of its interesting France in his favour, it is a singular instance of the attachment of a man to principles, which every day's experience was so fatally for himself contradicting.

To see the human mind in one of the most enlightened nations of the world, and after a lapse of some thousand years, debased by such a fermentation of disgusting pa.s.sions, of fear, cruelty, malice, revenge, ambition, madness, and folly as would have disgraced the most savage nation in the most barbarous age must have been such a tremendous shock to his ideas of the necessary and inevitable progress of the human mind that nothing but the firmest conviction of the truth of his principles, in spite of all appearances, could have withstood.

This posthumous publication is only a sketch of a much larger work, which he proposed should be executed. It necessarily, therefore, wants that detail and application which can alone prove the truth of any theory. A few observations will be sufficient to shew how completely the theory is contradicted when it is applied to the real, and not to an imaginary, state of things.

In the last division of the work, which treats of the future progress of man towards perfection, he says, that comparing, in the different civilized nations of Europe, the actual population with the extent of territory, and observing their cultivation, their industry, their divisions of labour, and their means of subsistence, we shall see that it would be impossible to preserve the same means of subsistence, and, consequently, the same population, without a number of individuals who have no other means of supplying their wants than their industry.

Having allowed the necessity of such a cla.s.s of men, and adverting afterwards to the precarious revenue of those families that would depend so entirely on the life and health of their chief, he says, very justly: 'There exists then, a necessary cause of inequality, of dependence, and even of misery, which menaces, without ceasing, the most numerous and active cla.s.s of our societies.' (To save time and long quotations, I shall here give the substance of some of Mr Condorcet's sentiments, and hope I shall not misrepresent them. But I refer the reader to the work itself, which will amuse, if it does not convince him.) The difficulty is just and well stated, and I am afraid that the mode by which he proposes it should be removed will be found inefficacious. By the application of calculations to the probabilities of life and the interest of money, he proposes that a fund should be established which should a.s.sure to the old an a.s.sistance, produced, in part, by their own former savings, and, in part, by the savings of individuals who in making the same sacrifice die before they reap the benefit of it. The same, or a similar fund, should give a.s.sistance to women and children who lose their husbands, or fathers, and afford a capital to those who were of an age to found a new family, sufficient for the proper development of their industry. These establishments, he observes, might be made in the name and under the protection of the society. Going still further, he says that, by the just application of calculations, means might be found of more completely preserving a state of equality, by preventing credit from being the exclusive privilege of great fortunes, and yet giving it a basis equally solid, and by rendering the progress of industry, and the activity of commerce, less dependent on great capitalists.

Such establishments and calculations may appear very promising upon paper, but when applied to real life they will be found to be absolutely nugatory. Mr Condorcet allows that a cla.s.s of people which maintains itself entirely by industry is necessary to every state. Why does he allow this? No other reason can well be a.s.signed than that he conceives that the labour necessary to procure subsistence for an extended population will not be performed without the goad of necessity. If by establishments of this kind of spur to industry be removed, if the idle and the negligent are placed upon the same footing with regard to their credit, and the future support of their wives and families, as the active and industrious, can we expect to see men exert that animated activity in bettering their condition which now forms the master spring of public prosperity? If an inquisition were to be established to examine the claims of each individual and to determine whether he had or had not exerted himself to the utmost, and to grant or refuse a.s.sistance accordingly, this would be little else than a repet.i.tion upon a larger scale of the English poor laws and would be completely destructive of the true principles of liberty and equality.

But independent of this great objection to these establishments, and supposing for a moment that they would give no check to productive industry, by far the greatest difficulty remains yet behind.

Were every man sure of a comfortable provision for his family, almost every man would have one, and were the rising generation free from the 'killing frost' of misery, population must rapidly increase. Of this Mr Condorcet seems to be fully aware himself, and after having described further improvements, he says:

But in this process of industry and happiness, each generation will be called to more extended enjoyments, and in consequence, by the physical const.i.tution of the human frame, to an increase in the number of individuals. Must not there arrive a period then, when these laws, equally necessary, shall counteract each other? When the increase of the number of men surpa.s.sing their means of subsistence, the necessary result must be either a continual diminution of happiness and population, a movement truly retrograde, or, at least, a kind of oscillation between good and evil? In societies arrived at this term, will not this oscillation be a constantly subsisting cause of periodical misery? Will it not mark the limit when all further amelioration will become impossible, and point out that term to the perfectibility of the human race which it may reach in the course of ages, but can never pa.s.s?

He then adds,

There is no person who does not see how very distant such a period is from us, but shall we ever arrive at it? It is equally impossible to p.r.o.nounce for or against the future realization of an event which cannot take place but at an era when the human race will have attained improvements, of which we can at present scarcely form a conception.

Mr Condorcet's picture of what may be expected to happen when the number of men shall surpa.s.s the means of their subsistence is justly drawn. The oscillation which he describes will certainly take place and will without doubt be a constantly subsisting cause of periodical misery. The only point in which I differ from Mr Condorcet with regard to this picture is the period when it may be applied to the human race.

Mr Condorcet thinks that it cannot possibly be applicable but at an era extremely distant. If the proportion between the natural increase of population and food which I have given be in any degree near the truth, it will appear, on the contrary, that the period when the number of men surpa.s.s their means of subsistence has long since arrived, and that this necessity oscillation, this constantly subsisting cause of periodical misery, has existed ever since we have had any histories of mankind, does exist at present, and will for ever continue to exist, unless some decided change take place in the physical const.i.tution of our nature.

Mr Condorcet, however, goes on to say that should the period, which he conceives to be so distant, ever arrive, the human race, and the advocates for the perfectibility of man, need not be alarmed at it. He then proceeds to remove the difficulty in a manner which I profess not to understand. Having observed, that the ridiculous prejudices of superst.i.tion would by that time have ceased to throw over morals a corrupt and degrading austerity, he alludes, either to a promiscuous concubinage, which would prevent breeding, or to something else as unnatural. To remove the difficulty in this way will, surely, in the opinion of most men, be to destroy that virtue and purity of manners, which the advocates of equality, and of the perfectibility of man, profess to be the end and object of their views.

CHAPTER 9

Mr Condorcet's conjecture concerning the organic perfectibility of man, and the indefinite prolongation of human life--Fallacy of the argument, which infers an unlimited progress from a partial improvement, the limit of which cannot be ascertained, ill.u.s.trated in the breeding of animals, and the cultivation of plants.

The last question which Mr Condorcet proposes for examination is the organic perfectibility of man. He observes that if the proofs which have been already given and which, in their development will receive greater force in the work itself, are sufficient to establish the indefinite perfectibility of man upon the supposition of the same natural faculties and the same organization which he has at present, what will be the certainty, what the extent of our hope, if this organization, these natural faculties themselves, are susceptible of amelioration?

From the improvement of medicine, from the use of more wholesome food and habitations, from a manner of living which will improve the strength of the body by exercise without impairing it by excess, from the destruction of the two great causes of the degradation of man, misery, and too great riches, from the gradual removal of transmissible and contagious disorders by the improvement of physical knowledge, rendered more efficacious by the progress of reason and of social order, he infers that though man will not absolutely become immortal, yet that the duration between his birth and natural death will increase without ceasing, will have no a.s.signable term, and may properly be expressed by the word 'indefinite'. He then defines this word to mean either a constant approach to an unlimited extent, without ever reaching it, or an increase. In the immensity of ages to an extent greater than any a.s.signable quant.i.ty.

But surely the application of this term in either of these senses to the duration of human life is in the highest degree unphilosophical and totally unwarranted by any appearances in the laws of nature.

Variations from different causes are essentially distinct from a regular and unretrograde increase. The average duration of human life will to a certain degree vary from healthy or unhealthy climates, from wholesome or unwholesome food, from virtuous or vicious manners, and other causes, but it may be fairly doubted whether there is really the smallest perceptible advance in the natural duration of human life since first we have had any authentic history of man. The prejudices of all ages have indeed been directly contrary to this supposition, and though I would not lay much stress upon these prejudices, they will in some measure tend to prove that there has been no marked advance in an opposite direction.

It may perhaps be said that the world is yet so young, so completely in its infancy, that it ought not to be expected that any difference should appear so soon.

If this be the case, there is at once an end of all human science. The whole train of reasonings from effects to causes will be destroyed. We may shut our eyes to the book of nature, as it will no longer be of any use to read it. The wildest and most improbable conjectures may be advanced with as much certainty as the most just and sublime theories, founded on careful and reiterated experiments. We may return again to the old mode of philosophising and make facts bend to systems, instead of establishing systems upon facts. The grand and consistent theory of Newton will be placed upon the same footing as the wild and eccentric hypotheses of Descartes. In short, if the laws of nature are thus fickle and inconstant, if it can be affirmed and be believed that they will change, when for ages and ages they have appeared immutable, the human mind will no longer have any incitements to inquiry, but must remain fixed in inactive torpor, or amuse itself only in bewildering dreams and extravagant fancies.

The constancy of the laws of nature and of effects and causes is the foundation of all human knowledge, though far be it from me to say that the same power which framed and executes the laws of nature may not change them all 'in a moment, in the twinkling of an eye.' Such a change may undoubtedly happen. All that I mean to say is that it is impossible to infer it from reasoning. If without any previous observable symptoms or indications of a change, we can infer that a change will take place, we may as well make any a.s.sertion whatever and think it as unreasonable to be contradicted in affirming that the moon will come in contact with the earth tomorrow, as in saying that the sun will rise at its usual time.

With regard to the duration of human life, there does not appear to have existed from the earliest ages of the world to the present moment the smallest permanent symptom or indication of increasing prolongation. The observable effects of climate, habit, diet, and other causes, on length of life have furnished the pretext for a.s.serting its indefinite extension; and the sandy foundation on which the argument rests is that because the limit of human life is undefined; because you cannot mark its precise term, and say so far exactly shall it go and no further; that therefore its extent may increase for ever, and be properly termed indefinite or unlimited. But the fallacy and absurdity of this argument will sufficiently appear from a slight examination of what Mr Condorcet calls the organic perfectibility, or degeneration, of the race of plants and animals, which he says may be regarded as one of the general laws of nature.

I am told that it is a maxim among the improvers of cattle that you may breed to any degree of nicety you please, and they found this maxim upon another, which is that some of the offspring will possess the desirable qualities of the parents in a greater degree. In the famous Leicestershire breed of sheep, the object is to procure them with small heads and small legs. Proceeding upon these breeding maxims, it is evident that we might go on till the heads and legs were evanescent quant.i.ties, but this is so palpable an absurdity that we may be quite sure that the premises are not just and that there really is a limit, though we cannot see it or say exactly where it is. In this case, the point of the greatest degree of improvement, or the smallest size of the head and legs, may be said to be undefined, but this is very different from unlimited, or from indefinite, in Mr Condorcet's acceptation of the term. Though I may not be able in the present instance to mark the limit at which further improvement will stop, I can very easily mention a point at which it will not arrive. I should not scruple to a.s.sert that were the breeding to continue for ever, the head and legs of these sheep would never be so small as the head and legs of a rat.

It cannot be true, therefore, that among animals, some of the offspring will possess the desirable qualities of the parents in a greater degree, or that animals are indefinitely perfectible.

The progress of a wild plant to a beautiful garden flower is perhaps more marked and striking than anything that takes place among animals, yet even here it would be the height of absurdity to a.s.sert that the progress was unlimited or indefinite.

One of the most obvious features of the improvement is the increase of size. The flower has grown gradually larger by cultivation. If the progress were really unlimited it might be increased ad infinitum, but this is so gross an absurdity that we may be quite sure that among plants as well as among animals there is a limit to improvement, though we do not exactly know where it is. It is probable that the gardeners who contend for flower prizes have often applied stronger dressing without success. At the same time it would be highly presumptuous in any man to say that he had seen the finest carnation or anemone that could ever be made to grow. He might however a.s.sert without the smallest chance of being contradicted by a future fact, that no carnation or anemone could ever by cultivation be increased to the size of a large cabbage; and yet there are a.s.signable quant.i.ties much greater than a cabbage. No man can say that he has seen the largest ear of wheat, or the largest oak that could ever grow; but he might easily, and with perfect certainty, name a point of magnitude at which they would not arrive. In all these cases therefore, a careful distinction should be made, between an unlimited progress, and a progress where the limit is merely undefined.

It will be said, perhaps, that the reason why plants and animals cannot increase indefinitely in size is, that they would fall by their own weight. I answer, how do we know this but from experience?--from experience of the degree of strength with which these bodies are formed. I know that a carnation, long before it reached the size of a cabbage, would not be supported by its stalk, but I only know this from my experience of the weakness and want of tenacity in the materials of a carnation stalk. There are many substances in nature of the same size that would support as large a head as a cabbage.

The reasons of the mortality of plants are at present perfectly unknown to us. No man can say why such a plant is annual, another biennial, and another endures for ages. The whole affair in all these cases, in plants, animals, and in the human race, is an affair of experience, and I only conclude that man is mortal because the invariable experience of all ages has proved the mortality of those materials of which his visible body is made:

What can we reason, but from what we know?

Sound philosophy will not authorize me to alter this opinion of the mortality of man on earth, till it can be clearly proved that the human race has made, and is making, a decided progress towards an illimitable extent of life. And the chief reason why I adduced the two particular instances from animals and plants was to expose and ill.u.s.trate, if I could, the fallacy of that argument which infers an unlimited progress, merely because some partial improvement has taken place, and that the limit of this improvement cannot be precisely ascertained.

The capacity of improvement in plants and animals, to a certain degree, no person can possibly doubt. A clear and decided progress has already been made, and yet, I think, it appears that it would be highly absurd to say that this progress has no limits. In human life, though there are great variations from different causes, it may be doubted whether, since the world began, any organic improvement whatever in the human frame can be clearly ascertained. The foundations, therefore, on which the arguments for the organic perfectibility of man rest, are unusually weak, and can only be considered as mere conjectures. It does not, however, by any means seem impossible that by an attention to breed, a certain degree of improvement, similar to that among animals, might take place among men. Whether intellect could be communicated may be a matter of doubt: but size, strength, beauty, complexion, and perhaps even longevity are in a degree transmissible. The error does not seem to lie in supposing a small degree of improvement possible, but in not discriminating between a small improvement, the limit of which is undefined, and an improvement really unlimited. As the human race, however, could not be improved in this way, without condemning all the bad specimens to celibacy, it is not probable that an attention to breed should ever become general; indeed, I know of no well-directed attempts of this kind, except in the ancient family of the Bickerstaffs, who are said to have been very successful in whitening the skins and increasing the height of their race by prudent marriages, particularly by that very judicious cross with Maud, the milk-maid, by which some capital defects in the const.i.tutions of the family were corrected.

It will not be necessary, I think, in order more completely to shew the improbability of any approach in man towards immortality on earth, to urge the very great additional weight that an increase in the duration of life would give to the argument of population.

Many, I doubt not, will think that the attempting gravely to controvert so absurd a paradox as the immortality of man on earth, or indeed, even the perfectibility of man and society, is a waste of time and words, and that such unfounded conjectures are best answered by neglect. I profess, however, to be of a different opinion. When paradoxes of this kind are advanced by ingenious and able men, neglect has no tendency to convince them of their mistakes. Priding themselves on what they conceive to be a mark of the reach and size of their own understandings, of the extent and comprehensiveness of their views, they will look upon this neglect merely as an indication of poverty, and narrowness, in the mental exertions of their contemporaries, and only think that the world is not yet prepared to receive their sublime truths.

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