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abril 10, 2026
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"Aristocracies do not last… Where, in France, are the descendants of the Frankish conquerors? The genealogies of the English nobility have been very exactly kept; and they show that very few families still remain to claim descent from the comrades of William the Conqueror. The rest have vanished... They decay not in numbers only. They decay also in quality, in the sense that they lose their vigor…The governing class is restored not only in numbers, but—and that is the more important thing—in quality, by families rising from the lower classes… If human aristocracies were like thorough-breds among animals, which reproduce themselves over long periods of time with approximately the same traits, the history of the human race would be something altogether different from the history we know."
"Since each individual produced by the sexual process contains an unique set of genes, very exceptional combinations of genes are unlikely to appear twice even within the same family. So if genius is to any extent hereditary, it winks on and off through the gene pool in a way that would be difficult to measure or predict. Like Sisyphus rolling his boulder up to the top of the hill only to have it tumble down again, the human gene pool creates hereditary genius in many ways in many places only to have it come apart in the next generation... For this reason alone, we are justified in considering the preservation of the entire gene pool as a contingent primary value until such time as an almost unimaginably greater knowledge of human heredity provides us with the option of a democratically contrived eugenics."
"Nobody wants to be caught agreeing with that monster, even in a single particular. The spectre of Hitler has led some scientists to stray from "ought" to "is" and deny that breeding for human qualities is even possible. But if you can breed cattle for milk yield, horses for running speed, and dogs for herding skill, why on Earth should it be impossible to breed humans for mathematical, musical or athletic ability? Objections such as "these are not one-dimensional abilities" apply equally to cows, horses and dogs and never stopped anybody in practice. I wonder whether, some 60 years after Hitler's death, we might at least venture to ask what the moral difference is between breeding for musical ability and forcing a child to take music lessons. Or why it is acceptable to train fast runners and high jumpers but not to breed them. I can think of some answers, and they are good ones, which would probably end up persuading me. But hasn't the time come when we should stop being frightened even to put the question?"
"We put down mad dogs; we kill the wild, untamed ox; we use the knife on sick sheep to stop their infecting the flock; we destroy abnormal offspring at birth; children, too, if they are born weak or deformed, we drown. Yet this is not the work of anger, but of reason – to separate the sound from the worthless."
"In one of my last conversations with Darwin he expressed himself very gloomily on the future of humanity, on the ground that in our modern civilisation natural selection had no play and the fittest did not survive... It is notorious that our population is more largely renewed in each generation from the lower than from the middle and upper classes."
"One of the effects of civilisation is to diminish the rigour of the application of the law of natural selection. It preserves weakly lives that would have perished in barbarous lands."
"There is a steady check in an old civilisation upon the fertility of the abler classes: the improvident and unambitious are those who chiefly keep up the breed. So the race gradually deteriorates, becoming in each successive generation less fit for a high civilisation."
"To aid the bad in multiplying is, in effect, the same as maliciously providing for our descendants a multitude of enemies. Institutions which 'foster good-for-nothings' commit an unquestionable injury because they put a stop to that natural process of elimination by which society continually purifies itself."
"I believe in striving to raise the human race to the highest plane of social organization, of cooperative work and of effective endeavor.""I believe that I am the trustee of the germ plasm that I carry; that this has been passed on to me through thousands of generations before me; and that I betray the trust if (that germ plasm being good) I so act as to jeopardize it, with its excellent possibilities, or, from motives of personal convenience, to unduly limit offspring." "I believe that, having made our choice in marriage carefully, we, the married pair, should seek to have 4 to 6 children in order that our carefully selected germ plasm shall be reproduced in adequate degree and that this preferred stock shall not be swamped by that less carefully selected." "I believe in such a selection of immigrants as shall not tend to adulterate our national germ plasm with socially unfit traits." "I believe in repressing my instincts when to follow them would injure the next generation."
"This is the law of Mendel,And often he maken it plain, Defectives will breed defectives, And the insane breed insane.Oh why do we allow these peopleTo breed back to the monkey's nest,To increase our country's burdensWhen we should only breed the best?"
"If a man has no sons, he has no full right to speak about the needs of a single matter of state. He has to have risked with the others what is most precious to him; only then is he bound firmly to the state. One must consider the happiness of one's descendants, and so, above all, have descendants, in order to take a proper, natural part in all institutions and their transformation. The development of higher morality depends on a man's having sons: this makes him unselfish, or, more exactly, it expands his selfishness over time, and allows him seriously to pursue goals beyond his individual lifetime."
"One can justly be proud of an unbroken line of good ancestors, up to one's father-but not proud of the line, for everyone has that. The descent from good ancestors makes up true nobility of birth; one single interruption in that chain, one evil ancestor, and the nobility of birth is cancelled out. Everyone who speaks of his nobility should be asked whether he has no violent, greedy, dissolute, malicious, or cruel man among his ancestors. If he can thereupon answer "no" in good conscience, one should court his friendship."
"We belong to a time in which culture is in danger of being destroyed by the means of culture."
"The weak and ill-constituted shall perish: first principle of our philanthropy. And one shall help them to do so."
"Pity on the whole thwarts the law of evolution, which is the law of selection."
"Die dummen Moralisten haben immer die Veredelung angestrebt ohne zugleich die Basis zu wollen: die leibliche Veradlichung [...][,] sie haben an’s Individuum gedacht und nicht an die Fortdauer des Edlen durch Zeugung. Kurzsichtig!"
"The keystone of the new social structure, the pivotal factor of advancing civilization, the guide of the new religion, is biology; for man is an animal, and his characteristics, his requirements, and his reactions can be recorded and studied quite as carefully and precisely as those of any other animal."
"60,000 Reichsmark is what this person suffering from a hereditary defect costs the People's community during his lifetime. Fellow citizen, that is your money too."
"The more severely burdened should not propagate themselves… If we do nothing but make mental and physical cripples capable of propagating themselves, and the healthy stocks have to limit the number of their children because so much has to be done for the maintenance of others, if natural selection is generally suppressed, then unless we will get new measures our race must rapidly deteriorate."
"Passing from quantity to quality of population, we come to the question of eugenics. We may perhaps assume that, if people grow less superstitious, government will acquire the right to sterilize those who are not considered desirable as parents. This power will be used, at first, to diminish imbecility, a most desirable object. But probably, in time, opposition to the government will be taken to prove imbecility, so that rebels of all kinds will be sterilized. Epileptics, consumptives, dipsomaniacs and so on will gradually be included; in the end, there will be a tendency to include all who fail to pass the usual school examinations. The result will be to increase the average intelligence; in the long run, it may be greatly increased. But probably the effect upon really exceptional intelligence will be bad. Mr. Micawber, who was Dickens's father, would hardly have been regarded as a desirable parent. How many imbeciles ought to outweigh one Dickens I do not profess to know.Eugenics has, of course, more ambitious possibilities in a more distant future. It may aim not only at eliminating undesired types, but at increasing desired types. Moral standards may alter so as to make it possible for one man to be the sire of a vast progeny by many different mothers. When men of science envisage a possibility of this kind, they are prone to a type of fallacy which is common also in other directions. They imagine that a reform inaugurated by men of science would be administered as men of science would wish, by men similar in outlook to those who have advocated it. In like manner women who advocated votes for women used to imagine that the woman voter of the future would resemble the ardent feminist who won her the vote; and socialist leaders imagine that a socialist State would be administered by idealistic reformers like themselves. These are, of course, delusions; a reform, once achieved, is handed over to the average citizen. So, if eugenics reached the point where it could increase desired types, it would not be the types desired by present-day eugenists that would be increased, but rather the type desired by the average official. Prime Ministers, Bishops, and others whom the State considers desirable might become the fathers of half the next generation. Whether this would be an improvement it is not for me to say, as I have no hope of ever becoming either a Bishop or a Prime Minister."
"The eugenics movement resists cramming into a single, unambiguous political box. ...When the Supreme Court, in the greatest victory [,] of the American eugenics movement, upheld compulsory sterilization of the mentally unfit in 1927, all liberal justices voted aye; the single dissent in this eight-to-one ruling was filed by Pierce Butler,] the court's most conservative member, a catholic who upheld his church's position on reproductive controls."
"All practices aimed at eugenics, any use of the human body or any of its parts for financial gain, and human cloning shall be prohibited."
"Eugenics is dead."
"If you don't include your women graduates in your breeding pool and leave them on the shelf, you would end up a more stupid society... So what happens? There will be less bright people to support dumb people in the next generation. That's a problem."
"Birth control and abortion are turning out to be great eugenic advances of our time. If they had been advanced for eugenic reasons, it would have retarded or stopped their acceptance."
"[T]here is a fundamental difference between a regulatory system where eugenics [under whatever name] is practised for the well-being of the individual - whether human or non-human - and an authoritarian society where eugenics is practised for the notional benefit of a class, race or nation."
"While modern social conditions are removing the crude physical checks which the unrestrained struggle for existence places on the over-fertility of the unfit, they may at the same time be leading to a lessened relative fertility in those physically and mentally fitter stocks, from which the bulk of our leaders have hitherto been drawn."
"The only remedy, if one be possible at all, is to alter the relative fertility of the good and the bad stocks in the community."
"[T]he campaign for Birth Control is not merely of eugenic value, but is practically identical in ideal, with the final aims of Eugenics."
"But I see a third motive which unconsciously plays an important part; it is the idea of sacrifice. A lunatic may cause the mental and economic decay of a family and also ruin it morally. If healthy human beings make great sacrifices for the community and lay down their lives by order of the state, the insane person, if he could arouse himself mentally and make a decision, would choose a similar sacrifice for himself. Why should not the state be allowed to enact this sacrifice in his case and impose on him what he would want to do himself?""
"It appears after analyzing the Fabians rationale, that the ideological links of eugenic with democratic socialism is stronger than with Nazism, fascism and communism."
"We have seen more than once that the public welfare may call upon the best citizens for their lives. It would be strange if it could not call upon those who already sap the strength of the State for these lesser sacrifices, often not felt to be such by those concerned, in order to prevent our being swamped with incompetence. It is better for all the world, if instead of waiting to execute degenerate offspring for crime, or to let them starve for their imbecility, society can prevent those who are manifestly unfit from continuing their kind....Three generations of imbeciles are enough."
"Selective breeding can alter man's capacity to learn, to keep sane, to cherish justice or to be happy. There is no more certain and economical a way to improve man's environment as to improve his nature."
"In the same way as the state demands the death of its best men as soldiers, it is entitled to order the death of the condemned in its battle against epidemics and diseases. No antique sacrifices to gods and demons are demanded any longer, only a well considered expiation as a help for the community and indeed exclusively in its interest."
"Let me suggest that Dr. Galton's concession to the fact that there are differences of type to consider is only the beginning of a very big descent of concession, that may finally carry him very deep indeed. Eugenics, which is really only a new word for the popular American term "stirpiculture," seems to me to be a term that is not without its misleading implications. It has in it something of that same lack of a fine appreciation of facts that enabled Herbert Spencer to coin those two most unfortunate terms, "evolution" and "the survival of the fittest." The implication is that the best reproduces and survives. Now really it is' the better that survives, and not the best. The real fact of the case is that in the all-around result the inferior usually perish, and the average of the species rises, but not that any exceptionally favorable variations get together and reproduce. I believe that now and always the conscious selection of the best for reproduction will be impossible; that to propose it is to display a fundamental misunderstanding of what individuality implies. The way of nature has always been to slay the hindmost, and there is still no other way, unless we can prevent those who would become the hindmost being born. It is in the sterilization of failures, and not in the selection of successes for breeding, that the possibility of an improvement of the human stock lies."
"[N]o man shall be subjected to any sort of mutilation or sterilisation except with his own deliberate consent, freely given."
"Any new set of conditions which renders a species' food and safety very easily obtained, seems to lead to degeneration."
"I was born human, but it was an accident of fate. … Humanity can change itself but hopefully it will be an individual choice. Those who want to stay human can and those who want to evolve into something much more powerful with greater capabilities can. There is no way I want to stay a mere human."
"Since about 1900 the better stocks have not been replacing their numbers, while the stupider and less healthy have been more than replacing theirs. Unless there is a change in the public mind every rank above the lowest must degenerate, and, as inferior men push up into its gaps, degenerate more and more quickly. The results are already visible in the degeneration of literature, newspapers, amusements (there was once a stock company playing Shakespeare in every considerable town), and, I am convinced, in benefactions like that of Lord Nuffield, a self-made man, to Oxford, which must gradually substitute applied science for ancient wisdom."
"Sooner or later we must limit the families of the unintelligent classes, and if our government cannot send them doctor and clinic it must, till it get tired of it, send monk and confession box. We cannot go back as some dreamers would have us, to the old way of big families everywhere, even if the intelligent classes would consent, because that old way worked through lack of science and consequent great mortality among the children of those least fitted for modem civilisation."
"The first task of the new man is to restore the values of the body. He starts out from the demands and attributes of the body. This is the great revolution of the twentieth century which a section of French intellectuals have dimly sensed but which they have not been able to grasp clearly and communicate to the nation: the revolution of the body, restoration of the body […] The new man starts with the body, he knows that the body is the articulation of the soul, and that the soul can only express itself, reveal itself, acquire substance in the body. There is nothing more spiritual than this recognition of the body. It is the soul that calls, that demands salvation, that saves itself by rediscovering the body.Nothing is less materialist than this movement. The pathetic mistake of the last generation of rationalists, one which summed up all the dissolution, all the bastardization of their pseudo-humanism, was to accuse of materialism a revolution which salvages and restores the sources and mainstays of the spirit."
"Eugenic sterilization is an urgent need [...] We must prevent multiplication of this bad stock."
"Every single case of inherited defect, every malformed child, every congenitally tainted human being brought into this world is of infinite importance to that poor individual; but it is of scarcely less importance to the rest of us and to all of our children who must pay in one way or another for these biological and racial mistakes."
"Eugenics without birth control seems to us a house built upon the sands. It is at the mercy of the rising stream of the unfit."
"As an advocate of birth control, I wish to take advantage of the present opportunity to point out that the unbalance between the birth rate of the ‘unfit’ and the ‘fit,’ admittedly the greatest present menace to civilization, can never be rectified by the inauguration of a cradle competition between these two classes."
"The most urgent problem today is how to limit and discourage the over-fertility of the mentally and physically defective."
"If at some point even 20% of the population uses embryo selection, it would be more than enough to reverse the current trends that we are seeing."
"[It] cannot be uniform: every [social] class must create its own eugenics."
"The aim of eugenics is to represent each class or sect by its best specimens; that done, to leave them to work out their common civilization in their own way."
"We civilised men do our utmost to check the process of elimination; we build asylums for the imbecile, the maimed, and the sick .... There is reason to believe that vaccination has preserved thousands... Thus the weak members of civilised societies propagate their kind. No one who has attended to the breeding of domestic animals will doubt that this must be highly injurious to the race of man. It is surprising how soon a want of care, or care wrongly directed, leads to the degeneration of a domestic race; but excepting in the case of man itself, hardly any one is so ignorant as to allow his worst animals to breed."