An Essay on the Principle of Population

Thomas Robert Malthus
Malthus, Thomas Robert
(1766-1834)
CEE
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First Pub. Date
1798
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London: John Murray
Pub. Date
1826
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6th edition
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Book III

OF THE DIFFERENT SYSTEMS OR EXPEDIENTS WHICH HAVE BEEN PROPOSED OR HAVE PREVAILED IN SOCIETY, AS THEY AFFECT THE EVILS ARISING FROM THE PRINCIPLE OF POPULATION

Book III, Chapter I

Of Systems of Equality. Wallace, Condorcet.

III.I.1

To a person who views the past and present states of mankind in the light in which they have appeared in the two preceding books, 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 the principle of population, treat it always very lightly, 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 arise from this cause, till the whole earth had been cultivated like a garden, and was incapable of any further increase of produce. If this were really the case, and a beautiful system of equality were 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, is 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 would be increasing every year, population would have the power of increasing much faster, and this superior power must necessarily be checked by the periodical or constant action of moral restraint, vice, or misery.

III.I.2

M. Condorcet's Esquisse d'un Tableau Historique des Progrès 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, debased by such a fermentation of disgusting passions, of fear, cruelty, malice, revenge, ambition, madness and folly, as would have disgraced the most savage nations 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, as nothing but the firmest conviction of the truth of his principles, in spite of all appearances, could have withstood.

III.I.3

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

III.I.4

In the last division of the work, which treats of the future progress of man towards perfection, M. Condorcet 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.

III.I.5

Having allowed the necessity of such a class 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,*1 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 class of our societies." The difficulty is just and well stated; but his mode of removing it will, I fear, be found totally inefficacious.

III.I.6

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 assure to the old an assistance 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 assistance to women and children who lose their husbands and fathers; and afford a capital to those who were of an age to found a new family, sufficient for the 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.

III.I.7

Such establishments and calculations may appear very promising upon paper; but when applied to real life, they will be found to be absolutely nugatory. M. Condorcet allows that a class of people which maintains itself entirely by industry, is necessary to every state. Why does he allow this? No other reason can well be assigned, than because 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 upon the plans that have been mentioned, this spur to industry be removed; if the idle and negligent be 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 assistance accordingly, this would be little else than a repetition upon a larger scale of the English poor-laws, and would be completely destructive of the true principles of liberty and equality.

III.I.8

But independently of this great objection to these establishments, and supposing for a moment that they would give no check to production, the greatest difficulty remains yet behind.

III.I.9

If every man were sure of a comfortable provision for a family, almost every man would have one; and if the rising generation were free from the fear of poverty, population must increase with unusual rapidity. Of this M. Condorcet seems to be fully aware himself; and after having described further improvements, he says,

"But in this progress of industry and happiness, each generation will be called to more extended enjoyments, and in consequence, by the physical constitution of the human frame, to an increase in the number of individuals. Must not a period then arrive when these laws, equally necessary, shall counteract each other; when, the increase of the number of men surpassing 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 melioration 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 pass?"

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 pronounce for or against the future realization of an event, which cannot take place but at in æra when the human race will have attained improvements, of which we can at present scarcely form a conception."

III.I.10

M. Condorcet's picture of what may be expected to happen, when the number of men shall surpass their means of 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 M. Condorcet in this description is with regard to the period when it may be applied to the human race. M. Condorcet thinks that it cannot possibly be applicable but at an æra extremely distant. If the proportion between the natural increase of population and of food in a limited territory, which was stated in the beginning of this essay, and which has received considerable confirmation from the poverty that has been found to prevail in every stage of human society, be in any degree near the truth; it will appear, on the contrary, that the period when the number of men surpasses their means of easy subsistence has long since arrived; and that this necessary oscillation, this constantly subsisting cause of periodical misery, has existed in most countries ever since we have had any histories of mankind, and continues to exist at the present moment.

III.I.11

M. 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 of 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 superstition 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.

III.I.12

The last question which M. Condorcet proposes for examination is the organic perfectibility of man. He observes, if the proofs which have been already given, and which, in their developement, 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 hopes, if this organization, these natural faculties themselves, be susceptible of melioration?

III.I.13

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 the duration between his birth and natural death will increase without ceasing, will have no assignable 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 assignable quantity.

III.I.14

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 has been really the smallest perceptible advance in the natural duration of human life, since first we 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 must have some tendency to prove that there has been no marked advance in an opposite direction.

III.I.15

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.

III.I.16

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 philosophizing, 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 be 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 sunk in inactive torpor, or amuse itself only in bewildering dreams and extravagant fancies.

III.I.17

The constancy of the laws of nature, and of effects and causes, is the foundation of all human knowledge; and 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 assertion whatever; and think it as unreasonable to be contradicted, in affirming that the moon will come in contact with the earth to-morrow, as in saying that the sun will rise at its expected time.

III.I.18

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 asserting 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 farther, 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 M. 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.

III.I.19

I have been told that it is a maxim among some of 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 quantities; but this is so palpable an absurdity, that we may be quite sure 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 M. 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 assert, that were the breeding to continue for ever, the heads and legs of these sheep would never be so small as the head and legs of a rat.

III.I.20

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.

III.I.21

The progress of a wild plant to a beautiful garden-flower is perhaps more marked and striking than any thing that takes place among animals; yet, even here, it would be the height of absurdity to assert 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, assert, 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 assignable quantities 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.

III.I.22

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 might be substances of the same size that would support as large a head as a cabbage.

III.I.23

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 that organized substance, of which his visible body is made.

"What can we reason but from what we know?"

III.I.24

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 toward an illimitable extent of life. And the chief reason why I adduce the two particular instances from animals and plants was to expose and illustrate, 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.

III.I.25

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 of 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 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 milkmaid, by which some capital defects in the constitutions of the family were corrected.

III.I.26

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.

III.I.27

M. Condorcet's book may be considered not only as a sketch of the opinions of a celebrated individual, but of many of the literary men in France at the beginning of the revolution. As such, though merely a sketch, it seems worthy of attention.

III.I.28

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.

III.I.29

On the contrary, a candid investigation of these subjects, accompanied with a perfect readiness to adopt any theory warranted by sound philosophy, may have a tendency to convince them that, in forming improbable and unfounded hypotheses, so far from enlarging the bounds of human science, they are contracting it; so far from promoting the improvement of the human mind, they are obstructing it: they are throwing us back again almost into the infancy of knowledge; and weakening the foundations of that mode of philosophizing, under the auspices of which science has of late made such rapid advances. The late rage for wide and unrestrained speculation seems to have been a kind of mental intoxication, arising perhaps from the great and unexpected discoveries, which had been made in various branches of science. To men elate and giddy with such successes, every thing appeared to be within the grasp of human powers; and under this illusion they confounded subjects where no real progress could be proved, with those where the progress had been marked, certain and acknowledged. Could they be persuaded to sober themselves with a little severe and chastised thinking, they would see that the cause of truth and of sound philosophy cannot but suffer, by substituting wild flights and unsupported assertions for patient investigation and well-supported proofs.


Notes for this chapter


1.
To save time and long quotations, I shall here give the substance of M. Condorcet's sentiments, and I hope that I shall not misrepresent them; but I refer the reader to the work itself, which will amuse, if it do not convince him. .

End of Notes


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