The first basic law of human stupidity asserts without ambiguity that:
Always and inevitably everyone underestimates the number of stupid individuals in circulation.
At first, the statement sounds trivial, vague and horribly ungenerous. Closer scrutiny will however reveal its realistic veracity. No matter how high are one's estimates of human stupidity, one is repeatedly and recurrently startled by the fact that:
a) people whom one had once judged rational and intelligent turn out to be unashamedly stupid.
b) day after day, with unceasing monotony, one is harassed in one's activities by stupid individuals who appear suddenly and unexpectedly in the most inconvenient places and at the most improbable moments.
The First Basic Law prevents me from attributing a specific numerical value to the fraction of stupid people within the total population: any numerical estimate would turn out to be an underestimate. Thus in the following pages I will denote the fraction of stupid people within a population by the symbol σ.
The second basic law
Cultural trends now fashionable in the West favour an egalitarian approach to life. People like to think of human beings as the output of a perfectly engineered mass production machine. Geneticists and sociologists especially go out of their way to prove, with an impressive apparatus of scientific data and formulations that all men are naturally equal and if some are more equal than others, this is attributable to nurture and not to nature. I take an exception to this general view. It is my firm conviction, supported by years of observation and experimentation, that men are not equal, that some are stupid and others are not, and that the difference is determined by nature and not by cultural forces or factors. One is stupid in the same way one is red-haired; one belongs to the stupid set as one belongs to a blood group. A stupid man is born a stupid man by an act of Providence. Although convinced that fraction of human beings are stupid and that they are so because of genetic traits, I am not a reactionary trying to reintroduce surreptitiously class or race discrimination. I firmly believe that stupidity is an indiscriminate privilege of all human groups and is uniformly distributed according to a constant proportion. This fact is scientifically expressed by the Second Basic Law which states that
The probability that a certain person be stupid is independent of any other characteristic of that person.
In this regard, Nature seems indeed to have outdone herself. It is well known that Nature manages, rather mysteriously, to keep constant the relative frequency of certain natural phenomena. For instance, whether men proliferate at the Northern Pole or at the Equator, whether the matching couples are developed or underdeveloped, whether they are black, red, white or yellow the female to male ratio among the newly born is a constant, with a very slight prevalence of males. We do not know how Nature achieves this remarkable result but we know that in order to achieve it Nature must operate with large numbers. The most remarkable fact about the frequency of stupidity is that Nature succeeds in making this frequency equal to the probability quite independently from the size of the group.
Thus one finds the same percentage of stupid people whether one is considering very large groups or one is dealing with very small ones. No other set of observable phenomena offers such striking proof of the powers of Nature.
The evidence that education has nothing to do with the probability was provided by experiments carried on in a large number of universities all over the world. One may distinguish the composite population which constitutes a university in five major groups, namely the blue-collar workers, the white-collar employees, the students, the administrators and the professors.
Whenever I analyzed the blue-collar workers I found that the fraction σ of them were stupid. As σ's value was higher than I expected (First Law), paying my tribute to fashion I thought at first that segregation, poverty, lack of education were to be blamed. But moving up the social ladder I found that the same ratio was prevalent among the white-collar employees and among the students. More impressive still were the results among the professors. Whether I considered a large university or a small college, a famous institution or an obscure one, I found that the same fraction σ of the professors are stupid. So bewildered was I by the results, that I made a special point to extend my research to a specially selected group, to a real elite, the Nobel laureates. The result confirmed Nature's supreme powers: σ fraction of the Nobel laureates are stupid.
This idea was hard to accept and digest but too many experimental results proved its fundamental veracity. The Second Basic Law is an iron law, and it does not admit exceptions. The Women's Liberation Movement will support the Second Basic Law as it shows that stupid individuals are proportionately as numerous among men as among women. The underdeveloped of the Third World will probably take solace at the Second Basic Law as they can find in it the proof that after all the developed are not so developed. Whether the Second Basic Law is liked or not, however, its implications are frightening: the Law implies that whether you move in distinguished circles or you take refuge among the head-hunters of Polynesia, whether you lock yourself into a monastery or decide to spend the rest of your life in the company of beautiful and lascivious women, you always have to face the same percentage of stupid people - which percentage (in accordance with the First Law) will always surpass your expectations.
The third (and golden) basic law
The Third Basic Law assumes, although it does not state it explicitly, that human beings fall into four basic categories: the helpless, the intelligent, the bandit and the stupid. It will be easily recognized by the perspicacious reader that these four categories correspond to the four areas I, H, S, B, of the basic graph (see below).
If Tom takes an action and suffers a loss while producing a gain to Dick, Tom's mark will fall in field H: Tom acted helplessly. If Tom takes an action by which he makes a gain while yielding a gain also to Dick, Tom's mark will fall in area I: Tom acted intelligently. If Tom takes an action by which he makes a gain causing Dick a loss, Tom's mark will fall in area B: Tom acted as a bandit. Stupidity is related to area S and to all positions on axis Y below point O. As the Third Basic Law explicitly clarifies:
A stupid person is a person who causes losses to another person or to a group of persons while himself deriving no gain and even possibly incurring losses.
When confronted for the first time with the Third Basic Law, rational people instinctively react with feelings of skepticism and incredulity. The fact is that reasonable people have difficulty in conceiving and understanding unreasonable behaviour. But let us abandon the lofty plane of theory and let us look pragmatically at our daily life. We all recollect occasions in which a fellow took an action which resulted in his gain and our loss: we had to deal with a bandit. We also recollect cases in which a fellow took an action which resulted in his loss and our gain: we had to deal with a helpless person. We can recollect cases in which a fellow took an action by which both parties gained: he was intelligent. Such cases do indeed occur. But upon thoughtful reflection you must admit that these are not the events which punctuate most frequently our daily life. Our daily life is mostly, made of cases in which we lose money and/or time and/or energy and/or appetite, cheerfulness and good health because of the improbable action of some preposterous creature who has nothing to gain and indeed gains nothing from causing us embarrassment, difficulties or harm. Nobody knows, understands or can possibly explain why that preposterous creature does what he does. In fact there is no explanation - or better there is only one explanation: the person in question is stupid.
Frequency distribution
Most people do not act consistently. Under certain circumstances a given person acts intelligently and under different circumstances the same person will act helplessly. The only important exception to the rule is represented by the stupid people who normally show a strong proclivity toward perfect consistency in all fields of human endeavours.
From all that proceeds, it does not follow, that we can chart on the basic graph only stupid individuals. We can calculate for each person his weighted average position in the plane of figure 1 quite independently from his degree of inconsistency. A helpless person may occasionally behave intelligently and on occasion he may perform a bandit's action. But since the person in question is fundamentally helpless most of his action will have the characteristics of helplessness. Thus the overall weighted average position of all the actions of such a person will place him in the H quadrant of the basic graph.
The fact that it is possible to place on the graph individuals instead of their actions allows some digression about the frequency of the bandit and stupid types.
The perfect bandit is one who, with his actions, causes to other individuals losses equal to his gains. The crudest type of banditry is theft. A person who robs you of 100 pounds without causing you an extra loss or harm is a perfect bandit: you lose 100 pounds, he gains 100 pounds. In the basic graph the perfect bandits would appear on a 45-degree diagonal line that divides the area B into two perfectly symmetrical sub-areas (line OM of figure 2).
However the "perfect" bandits are relatively few. The line OM divides the area B into two sub-areas, B<sub>1</sub>, and B<sub>2</sub>, and by far the largest majority of the bandits falls somewhere in one of these two sub-areas.
The bandits who fall in area B<sub>1</sub> are those individuals whose actions yield to them profits which are larger than the losses they cause to other people. All bandits who are entitled to a position in area B<sub>1</sub> are bandits with overtones of intelligence and as they get closer to the right side of the X axis they share more and more the characteristics of the intelligent person.
Unfortunately the individuals entitled to a position in the B<sub>1</sub> area are not very numerous. Most bandits actually fall in area B<sub>2</sub>. The individuals who fall in this area are those whose actions yield to them gains inferior to the losses inflicted to other people. If someone kills you in order to rob you of fifty pounds or if he murders you in order to spend a weekend with your wife at Monte Carlo, we can be sure that he is not a perfect bandit. Even by using his values to measure his gains (but still using your values to measure your losses) he falls in the B<sub>2</sub> area very close to the border of sheer stupidity. Generals who cause vast destruction and innumerable casualties in return for a promotion or a medal fall in the same area.
The frequency distribution of the stupid people is totally different from that of the bandit. While bandits are mostly scattered over an area stupid people are heavily concentrated along one line, specifically on the Y axis below point O. The reason for this is that by far the majority of stupid people are basically and unwaveringly stupid - in other words they perseveringly insist in causing harm and losses to other people without deriving any gain, whether positive or negative.
There are however people who by their improbable actions not only cause damages to other people but in addition hurt themselves. They are a sort of super-stupid who, in our system of accounting, will appear somewhere in the area S to the left of the Y axis.
The power of stupidity
It is not difficult to understand how social, political and institutional power enhances the damaging potential of a stupid person. But one still has to explain and understand what essentially it is that makes a stupid person dangerous to other people - in other words what constitutes the power of stupidity.
Essentially stupid people are dangerous and damaging because reasonable people find it difficult to imagine and understand unreasonable behaviour. An intelligent person may understand the logic of a bandit. The bandit's actions follow a pattern of rationality: nasty rationality, if you like, but still rationality. The bandit wants a plus on his account. Since he is not intelligent enough to devise ways of obtaining the plus as well as providing you with a plus, he will produce his plus by causing a minus to appear on your account. All this is bad, but it is rational and if you are rational you can predict it. You can foresee a bandit's actions, his nasty manoeuvres and ugly aspirations and often can build up your defenses.
With a stupid person all this is absolutely impossible as explained by the Third Basic Law. A stupid creature will harass you for no reason, for no advantage, without any plan or scheme and at the most improbable times and places. You have no rational way of telling if and when and how and why the stupid creature attacks. When confronted with a stupid individual you are completely at his mercy. Because the stupid person's actions do not conform to the rules of rationality, it follows that:
a) one is generally caught by surprise by the attack; b) even when one becomes aware of the attack, one cannot organize a rational defense, because the attack itself lacks any rational structure.
The fact that the activity and movements of a stupid creature are absolutely erratic and irrational not only makes defense problematic but it also makes any counter-attack extremely difficult - like trying to shoot at an object which is capable of the most improbable and unimaginable movements. This is what both Dickens and Schiller had in mind when the former stated that "with stupidity and sound digestion man may front much" and the latter wrote that "against stupidity the very Gods fight in vain."
The fourth basic law
That helpless people, namely those who in our accounting system fall into the H area, do not normally recognize how dangerous stupid people are, is not at all surprising. Their failure is just another expression of their helplessness. The truly amazing fact, however, is that also intelligent people and bandits often fail to recognize the power to damage inherent in stupidity. It is extremely difficult to explain why this should happen and one can only remark that when confronted with stupid individuals often intelligent men as well as bandits make the mistake of indulging in feelings of self-complacency and contemptuousness instead of immediately secreting adequate quantities of adrenaline and building up defenses.
One is tempted to believe that a stupid man will only do harm to himself but this is confusing stupidity with helplessness. On occasion one is tempted to associate oneself with a stupid individual in order to use him for one's own schemes. Such a manoeuvre cannot but have disastrous effects because a) it is based on a complete misunderstanding of the essential nature of stupidity and b) it gives the stupid person added scope for the exercise of his gifts. One may hope to outmanoeuvre the stupid and, up to a point, one may actually do so. But because of the erratic behaviour of the stupid, one cannot foresee all the stupid's actions and reactions and before long one will be pulverized by the unpredictable moves of the stupid partner.
This is clearly summarized in the Fourth Basic Law which states that:
Non-stupid people always underestimate the damaging power of stupid individuals. In particular non-stupid people constantly forget that at all times and places and under any circumstances to deal and/or associate with stupid people always turns out to be a costly mistake.
Through centuries and millennia, in public as in private life, countless individuals have failed to take account of the Fourth Basic Law and the failure has caused mankind incalculable losses.
The fifth basic law
Instead of considering the welfare of the individual let us consider the welfare of the society, regarded in this context as the algebraic sum of the individual conditions. A full understanding of the Fifth Basic Law is essential to the analysis. It may be parenthetically added here that of the Five Basic Laws, the Fifth is certainly the best known and its corollary is quoted very frequently. The Fifth Basic Law states that:
A stupid person is the most dangerous type of person.
The corollary of the Law is that:
A stupid person is more dangerous than a bandit.
The result of the action of a perfect bandit (the person who falls on line OM of figure 2) is purely and simply a transfer of wealth and/or welfare. After the action of a perfect bandit, the bandit has a plus on his account which plus is exactly equivalent to the minus he has caused to another person. The society as a whole is neither better nor worse off. If all members of a society were perfect bandits the society would remain stagnant but there would be no major disaster. The whole business would amount to massive transfers of wealth and welfare in favour of those who would take action. If all members of the society would take action in regular turns, not only the society as a whole but also individuals would find themselves in a perfectly steady state of no change.
When stupid people are at work, the story is totally different. Stupid people cause losses to other people with no counterpart of gains on their own account. Thus the society as a whole is impoverished. The system of accounting which finds expression in the basic graphs shows that while all actions of individuals falling to the right of the line POM (see fig. 3) add to the welfare of a society; although in different degrees, the actions of all individuals falling to the left of the same line POM cause a deterioration.
In other words the helpless with overtones of intelligence (area H<sub>1</sub>), the bandits with overtones of intelligence (area B<sub>1</sub>) and above all the intelligent (area I) all contribute, though in different degrees, to accrue to the welfare of a society. On the other hand the bandits with overtones of stupidity (area B<sub>2</sub>) and the helpless with overtones of stupidity (area H<sub>2</sub>) manage to add losses to those caused by stupid people thus enhancing the nefarious destructive power of the latter group.
All this suggests some reflection on the performance of societies. According to the Second Basic Law, the fraction of stupid people is a constant σ which is not affected by time, space, race, class or any other sociocultural or historical variable. It would be a profound mistake to believe the number of stupid people in a declining society is greater than in a developing society. Both such societies are plagued by the same percentage of stupid people. The difference between the two societies is that in the society which performs poorly:
a) the stupid members of the society are allowed by the other members to become more active and take more actions; b) there is a change in the composition of the non-stupid section with a relative decline of populations of areas I, H<sub>1</sub> and B<sub>1</sub> and a proportionate increase of populations H<sub>2</sub> and B<sub>2</sub>.
This theoretical presumption is abundantly confirmed by an exhaustive analysis of historical cases. In fact the historical analysis allows us to reformulate the theoretical conclusions in a more factual way and with more realistic detail.
Whether one considers classical, or medieval, or modern or contemporary times one is impressed by the fact that any country moving uphill has its unavoidable σ fraction of stupid people. However the country moving uphill also has an unusually high fraction of intelligent people who manage to keep the σ fraction at bay and at the same time produce enough gains for themselves and the other members of the community to make progress a certainty.
In a country which is moving downhill, the fraction of stupid people is still equal to σ; however in the remaining population one notices among those in power an alarming proliferation of the bandits with overtones of stupidity (sub-area B<sub>2</sub> of quadrant B in figure 3) and among those not in power an equally alarming growth in the number of helpless individuals (area H in basic graph, fig.1). Such change in the composition of the non-stupid population inevitably strengthens the destructive power of the σ fraction and makes decline a certainty. And the country goes to Hell.
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<h1 id="firstHeading" class="firstHeading mw-first-heading">Evolution of human intelligence</h1>
The evolution of human intelligence is closely tied to the evolution of the human brain and to the origin of language. The timeline of human evolution spans approximately 7 million years,<sup id="cite_ref-1" class="reference">[1]</sup> from the separation of the genus Pan until the emergence of behavioral modernity by 50,000 years ago. The first 3 million years of this timeline concern Sahelanthropus, the following 2 million concern Australopithecus and the final 2 million span the history of the genus Homo in the Paleolithic era.
Many traits of human intelligence, such as empathy, theory of mind, mourning, ritual, and the use of symbols and tools, are somewhat apparent in great apes, although they are in much less sophisticated forms than what is found in humans like the great ape language.
The great apes (hominidae) show some cognitive and empathic abilities. Chimpanzees can make tools and use them to acquire foods and for social displays; they have mildly complex hunting strategies requiring cooperation, influence and rank; they are status conscious, manipulative and capable of deception; they can learn to use symbols and understand aspects of human language including some relational syntax, concepts of number and numerical sequence.<sup id="cite_ref-2" class="reference">[2]</sup>
<h3>Homininae</h3> <div class="thumbinner">Around 10 million years ago, the Earth's climate entered a cooler and drier phase, which led eventually to the Quaternary glaciation beginning some 2.6 million years ago. One consequence of this was that the north African tropical forest began to retreat, being replaced first by open grasslands and eventually by desert (the modern Sahara). As their environment changed from continuous forest to patches of forest separated by expanses of grassland, some primates adapted to a partly or fully ground-dwelling life. Here they were exposed to predators, such as the big cats, from whom they had previously been safe.
These environmental pressures caused selection to favor bipedalism: walking on hind legs. This gave the Homininae's eyes greater elevation, the ability to see approaching danger further off, and a more efficient means of locomotion.<sup class="noprint Inline-Template Template-Fact">[citation needed]</sup> It also freed the arms from the task of walking and made the hands available for tasks such as gathering food. At some point the bipedal primates developed handedness, giving them the ability to pick up sticks, bones and stones and use them as weapons, or as tools for tasks such as killing smaller animals, cracking nuts, or cutting up carcasses. In other words, these primates developed the use of primitive technology. Bipedal tool-using primates from the subtribe Hominina date back to as far as about 5 to 7 million years ago, such as one of the earliest species, Sahelanthropus tchadensis.
From about 5 million years ago, the hominin brain began to develop rapidly in both size and differentiation of function. There has been a gradual increase in brain volume as humans progressed along the timeline of evolution (see Homininae), starting from about 600 cm<sup>3</sup> in Homo habilis up to 1500 cm<sup>3</sup> in Homo neanderthalensis. Thus, in general there's a correlation between brain volume and intelligence.<sup class="noprint Inline-Template Template-Fact">[citation needed]</sup> However, modern Homo sapiens have a brain volume slightly smaller (1250 cm<sup>3</sup>) than neanderthals, and the Flores hominids (Homo floresiensis), nicknamed hobbits, had a cranial capacity of about 380 cm<sup>3</sup> (considered small for a chimpanzee) about a third of that of H. erectus. It is proposed that they evolved from H. erectus as a case of insular dwarfism. With their three times smaller brain the Flores hominids apparently used fire and made tools as sophisticated as those of their ancestor H.erectus.
he eldest findings of Homo sapiens in Jebel Irhoud, Morocco date back ca. 300,000 years <sup id="cite_ref-6" class="reference">[6]</sup><sup id="cite_ref-7" class="reference">[7]</sup> Ca. 200,000 year old fossils of Homo sapiens were found in East Africa. It is unclear to what extent these early modern humans had developed language, music, religion, etc.
According to proponents of the Toba catastrophe theory, the climate in non-tropical regions of the earth experienced a sudden freezing about 70,000 years ago, because of a huge explosion of the Toba volcano that filled the atmosphere with volcanic ash for several years. This reduced the human population to less than 10,000 breeding pairs in equatorial Africa, from which all modern humans are descended. Being unprepared for the sudden change in climate, the survivors were those intelligent enough to invent new tools and ways of keeping warm and finding new sources of food (for example, adapting to ocean fishing based on prior fishing skills used in lakes and streams that became frozen).<sup class="noprint Inline-Template Template-Fact">[citation needed]</sup>
Around 80,000–100,000 years ago, three main lines of Homo sapiens diverged, bearers of mitochondrial haplogroup L1 (mtDNA) / A (Y-DNA) colonizing Southern Africa (the ancestors of the Khoisan/Capoid peoples), bearers of haplogroup L2 (mtDNA) / B (Y-DNA) settling Central and West Africa (the ancestors of Niger–Congo and Nilo-Saharan speaking peoples), while the bearers of haplogroup L3 remained in East Africa.<sup class="noprint Inline-Template Template-Fact">[citation needed]</sup>
The "Great Leap Forward" leading to full behavioral modernity sets in only after this separation. Rapidly increasing sophistication in tool-making and behaviour is apparent from about 80,000 years ago, and the migration out of Africa follows towards the very end of the Middle Paleolithic, some 60,000 years ago. Fully modern behaviour, including figurative art, music, self-ornamentation, trade, burial rites etc. is evident by 30,000 years ago. The oldest unequivocal examples of prehistoric art date to this period, the Aurignacian and the Gravettian periods of prehistoric Europe, such as the Venus figurines and cave painting (Chauvet Cave) and the earliest musical instruments (the bone pipe of Geissenklösterle, Germany, dated to about 36,000 years ago).<sup id="cite_ref-8" class="reference">[8]</sup>
The human brain has evolved gradually over the passage of time; a series of incremental changes occurred as a result of external stimuli and conditions. It is crucial to keep in mind that evolution operates within a limited framework at a given point in time. In other words, the adaptations that a species can develop are not infinite and are defined by what has already taken place in the evolutionary timeline of a species. Given the immense anatomical and structural complexity of the brain, its evolution (and the congruent evolution of human intelligence), can only be reorganized in a finite number of ways. The majority of said changes occur either in terms of size or in terms of developmental timeframes.<sup id="cite_ref-9" class="reference">[9]</sup>
<div class="thumbinner">Motor and sensory areas of the cerebral cortex; dashed areas shown are commonly left hemisphere dominant.
There have been studies that strongly support the idea that the level of intelligence associated with humans is not unique to our species. Scholars suggest that this could have, in part, been caused by convergent evolution. One common characteristic that is present in species of "high degree intelligence" (i.e. dolphins, great apes, and humans - Homo sapiens) is a brain of enlarged size. Along with this, there is a more developed neocortex, a folding of the cerebral cortex, and von Economo neurons. Said neurons are linked to social intelligence and the ability to gauge what another is thinking or feeling and, interestingly, are also present in bottlenose dolphins.<sup id="cite_ref-10" class="reference">[10]</sup> The cerebral cortex is divided into four lobes (frontal, parietal, occipital, and temporal) each with specific functions. The cerebral cortex is significantly larger in humans than in any other animal and is responsible for higher thought processes such as: reasoning, abstract thinking, and decision making.<sup id="cite_ref-11" class="reference">[11]</sup>
Another characteristic that makes humans special and sets them apart from any other species is our ability to produce and understand complex, syntactic language. The cerebral cortex, particularly in the temporal, parietal, and frontal lobes, are populated with neural circuits dedicated to language. There are two main areas of the brain commonly associated with language, namely: Wernicke's area and Broca's area. The former is responsible for the understanding of speech and the latter for the production of speech. Homologous regions have been found in other species (i.e. Area 44 and 45 have been studied in chimpanzees) but they are not as strongly related to or involved in linguistic activities as in humans.<sup id="cite_ref-12" class="reference">[12]</sup>
A big portion of the scholarly literature focus on the evolution, and subsequent influence, of culture. This is in part because the leaps human intelligence has taken are far greater than those that would have resulted if our ancestors had simply responded to their environments, inhabiting them as hunter-gatherers.<sup id="cite_ref-13" class="reference">[13]</sup> (Richardson 273).
In short, the immense complexity and marvel of superior human intelligence only emerge inside of a specific culture and history. Selection for cooperation aided our ancestors in surviving harsh ecological conditions and did so by creating a specific type of intelligence. An intelligence that, today, is highly variant from individual to individual.