First Quote Added
April 10, 2026
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"There is, therefore, such a thing as a universal human nature, common to all people."
"We assume, and rightly that a Russian is just as human after two generations of oppressive totalitarianism as his grandfather was before him. But why, then, does social science proceed as if it were not the case, as if people’s natures are the products of their societies?"
"Just as human nature is the same everywhere, so it is recognizably the same as it was in the past."
"I have gradually come to realize that almost all of social science proceeds as if 1859, the year of the publication of the Origin of Species, had never happened; it does so quite deliberately, for it insists that human culture is a product of our own free will and invention. Society is not the product of human psychology, it asserts, but vice versa. That sounds reasonable enough, and it would be splendid for those who believe in social engineering if it were true, but is is simply not true."
"The story of p53 and the oncogenes, like much of my book, challenges the argument that genetic research is necessarily dangerous and should be curtailed. The story also strongly challenges the view that ‘reductionist’ science, which takes systems apart to understand them, is flawed and futile. Oncology, the medical study of whole cancers, diligent, brilliant and massively endowed though it was, achieved terribly little in comparison with what has already been achieved in a few years by a reductionist, genetic approach."
"I know of no other way that human nature can have developed except by evolution, and there is now overwhelming evidence that there is no other way for evolution to work except by competitive reproduction. Those strains that reproduce persist; those that do not reproduce die out."
"Everything can be inherited except sterility. None of your direct ancestors died childless. Consequently, if we are to understand how human nature evolved, the very core of our inquiry must be reproduction, for reproductive success is the examination that all human genes must pass if they are not to be squeezed out by natural selection. Hence I am going to argue that there are very few features of the human psyche and nature that can be understand without reference to reproduction. I begin with sexuality itself."
"Reproducing sexually must improve an individual’s reproductive success or else sex would not persist. It is increasingly hard to understand how human beings came to be so clever without considering sexual competition."
"The idea that we were designed by our past was the principal insight of Charles Darwin. He was the first to realize that you can abandon divine creation of species without abandoning the argument from design. Every living thing is “designed” quite unconsciously by the selective reproduction of its own ancestors to suit a particular life-style."
"The study of human nature must have profound implications for the study of history, sociology, psychology, anthropology, and politics. Each of those disciplines is an attempt to understand human behavior, and if the underlying universals of human behavior are the product of evolution, then it is vitally important to understand what the evolutionary pressures were."
"The politicisation of the issue has had absurd results."
"The fuel on which science runs is ignorance. Science is like a hungry furnace that must be fed logs from the forests of ignorance that surround us. In the process, the clearing we call knowledge expands, but the more it expands, the longer its perimeter and the more ignorance comes into view."
"Freedom lies in expressing your own determinism, not somebody else’s. It is not the determinism that makes a difference, but the ownership. If freedom is what we prefer, then it is preferable to be determined by forces that originate in ourselves and not in others."
"Rational optimism holds that the world will pull out of the current crisis because of the way that markets in goods, services and ideas allow human beings to exchange and specialise honestly for the betterment of all. So this is not a book of unthinking praise or condemnation of all markets, but it is an inquiry into how the market process of exchange and specialisation is older and fairer than many think and gives a vast reason for optimism about the future of the human race. Above all, it is a book about the benefits of change. I find that my disagreement is mostly with reactionaries of all political colours: blue ones who dislike cultural change, red ones who dislike economic change and green ones who dislike technological change."
"This interaction of genetic and external influences makes my behaviour unpredictable, but not undetermined."
"Determinism looks backwards to the causes of the present state, not forward to the consequences."
"Yet the myth persists that genetic determinism is a more implacable kind of fate than social determinism."
"Full responsibility for one’s actions is a necessary fiction without which the law would flounder, but it is a fiction all the same. To the extent that you act in character you are responsible for your actions; yet acting in character is merely expressing the many determinisms that caused your character."
"At its birth eugenics was not a politicised science; it was a science-ised political creed."
"In Sigmund Freud’s psychology, John Watson’s behaviourism and Margaret Mead’s anthropology, nurture-determinism by parents was never tested, only assumed. Yet the evidence, from twin studies, from the children of immigrants and from adoption studies, is now staring us in the face: people get their personalities from their genes and from their peers, not from their parents."
"Culture is transmitted autonomously from each children’s peer group to the next and not from parent to child—which is why, for example, the move towards greater adult sexual equality has had zero effect on willing sexual segregation in the playground. As every parent knows, children prefer to imitate peers than parents. Psychology, like sociology and anthropology, has been dominated by those with a strong antipathy to genetic explanations; it can no longer sustain such ignorance."
"So there is no escape from determinism by appealing to socialization. Either effects have causes or they do not. If I’m timid because of something that happened to me when I was young, that event is no less deterministic than a gene for timidity. The greater mistake is not to equate determinism with genes, but to mistake determinism for inevitability."
"One of the legacies of being an ape is intergroup violence."
"By describing adultery as a force that shaped our mating system, I am not “justifying” it. Nothing is more “natural” than people evolving the tendency to object to being cuckolded or cheated on, so if my analysis were to be interpreted as justifying adultery, it would be even more obviously interpreted as justifying the social and legal mechanisms for discouraging adultery. What I am claiming is that adultery and its disapproval are both “natural.”"
"Jealousy is a “human universal,” and no culture lacks it, Despite the best efforts of anthropologists to find a society with no jealousy and so prove that it is an emotion introduced by pernicious social pressure or pathology, sexual jealousy seems to be an unavoidable part of being a human being."
"Monogamy, enforced by law, religion, or sanction, does seem to reduce murderous competition between men."
"If reproduction has been the reward and goal of power and wealth, then it is little wonder that it has also been a frequent cause and rewarding of violence."
"Power seeking is characteristic of all social mammals."
"Wealth and power are means to women; women are means to genetic eternity….Men are to be exploited as providers of parental care, wealth, and genes. Cynical? Not half as cynical as most accounts of human history."
"These facts have been first disputed and then actively suppressed by the educational establishment, which continues to insist that there are no differences in learning ability between boys and girls."
"I am trying to describe the nature of humans, not prescribe their morality. That something is natural does not make it right."
"Nature is not inflexible but malleable. Moreover, the most natural thing of all about evolution is that some natures will be pitted against others. Evolution does not lead to Utopia. It leads to a land in which what is best for a man may be the worst for another man, or what is best for a woman may be the worst for a man."
"And even where I am wrong about human nature, I am not wrong that there is such a nature to be sought."
"In any case, no moral conclusions of any kind can be drawn from evolution."
"Men and women have different bodies. The differences are the direct result of evolution. Women’s bodies evolved to suit the demands of bearing and rearing children and of gathering plant food. Men’s bodies evolved to suit the demands of rising in a male hierarchy, fighting over women, and providing meat to a family. Men and women have different minds. The differences are the direct result of evolution. Women’s minds evolved to suit the demands of bearing and rearing children and of gathering plant food. Men’s minds evolved to suit the demands of rising in a male hierarchy, fighting over women, and providing meat to a family. The first paragraph is banal; the second inflammatory. The proposition that men and women have evolved different minds is anathema to every social scientist and politically correct individual. Yet I believe it to be true for two reasons. First, the logic is impeccable….Second, the evidence is overwhelming."
"Women cannot increase their fecundity by taking more mates; men can."
"The technological problems of suburban life may be a million miles from those of the Pleistocene savanna, but the human ones are not."
"There is a contradiction at the heart of feminism, one that few feminists have acknowledged. You cannot say, first, that men and women are equally capable of all jobs and, second, that if jobs were done by women, they would be done differently."
"Human beings are a product of evolution as much as any slime mold, and the revolution of the last two decades in the way scientists now think about evolution has immense implications for mankind as will. To summarize the argument so far, evolution is more about reproduction of the fittest than survival of the fittest; every creature on earth is the product of a series of historical battles between parasites and hosts, between genes and other genes, between members of the same species, between members of one gender in competitions for members of the other gender. Those battles include psychological ones, to manipulate and exploit other members of the species; they are never won, for success in one generation only ensures that the foes of the next generation are fitter to fight harder. Life is a Sisyphean race, run ever faster toward a finish line that is merely the start of the next race."
"There is no nature that exists devoid of nurture; there is no nurture that develops without nature. To say otherwise is like saying that the area of a field is determined by its length but not its width. Every behavior is the product of an instinct trained by experience."
"The fifth method (that is, of analyzing human mating systems) is to compare mankind with other animals that share our highly social habits: with colonial birds, monkeys, and dolphins. As we shall see, the lesson they teach is that we are designed for a system of monogamy plagued by adultery."
"If females have an existing aesthetic preference, it is only logical that males will evolve to exploit that preference."
"Advertising works. Brand names are better known if they are advertised with sexy or alluring pictures, and better-known brands sell better. Why does it work? Because the price the consumer would have to pay in ignoring the subliminal message is just too high. It is better to be fooled into buying the second-best ice cream than go to the bother of educating yourself to resist the salesmanship."
"As every bird-watcher knows, the beauty of a bird’s song is inversely correlated with the colorfulness of its plumage."
"Such “habituation” is just a property of the way brains work; our senses, and those of grackles, notice novelty and change, not steady states. The female preference did not evolve: it just is that way."
"Humanity shares this profile of ardent, polygamist males and coy, faithful females with about 99 percent of all animal species, including our closest relatives, the apes."
"In species where the females get nothing useful from their mates, they seem to choose on aesthetic criteria alone."
"Sexual selection theory suggests that much of the behavior and some of the appearance of an animal is adapted not to help it survive but to help it to acquire the best or the most mates."
"Females choose; their choosiness is inherited; they prefer exaggerated ornaments; exaggerated ornaments are a burden to males. That much is now uncontroversial. Thus far Darwin was right."
"It is hardly surprising to find that the males best at seduction tend to be the best at other things as well; it does not prove that females are seeking good genes for their offspring."