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April 10, 2026
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"It is true that Popper and Feyerabend differ in many respects. But it is unfair to single out Feyerabend as worse than the others. For he too sets out to do what he sincerely believes is best for society. This he does by declaring "Anything goes", a position that follows inescapably from the (popperian) premise that all observations are theory-laden. This premise is the most basic of all errors, and the writings of those who commit it are bound to be a hopeless muddle. If Popper, Kuhn and their followers do not like being called relativists, negativists and irrationalists, then they ought to repudiate this worst of all antitheses."
"Here is what I think was very valuable in Feyerabend’s analysis, both as conducted in Philosophy of Nature and elsewhere in his writings. He was an iconoclast who was not afraid to think outside the box, way outside the box. And his criticism of science as a potentially dehumanizing (“alienating”) enterprise that lends itself to power games and ideological exploitation was right on the mark. He anticipated the modern phenomenon of scientism. It takes some serious intellectual guts to write a book like Philosophy of Nature, where one presents a sweeping rethinking of the entire history of Western philosophy and science, and — again — I’m glad I read the book. But Feyerabend seems to be perversely blind to some obvious answers to his own questions. At some point he claims that it is hard to fathom why Aristotelian physics gave out to its Galileian and Newtonian successor. Well, because Galileo and Newton were much closer than Aristotle to understanding how the world actually works, not to mention being able to make accurate experimental predictions."
"It is only fair to admit my limitations and biases in making this judgment. After a few years’ infatuation with philosophy as an undergraduate I became disenchanted. The insights of the philosophers I studied seemed murky and inconsequential compared with the dazzling successes of physics and mathematics. From time to time since then I have tried to read current work on the philosophy of science. Some of it I found to be written in a jargon so impenetrable that I can only think that it aimed at impressing those who confound obscurity with profundity. Some of it was good reading and even witty, like the writings of Wittgenstein and Paul Feyerabend. But only rarely did it seem to me to have anything to do with the work of science as I knew it. According to Feyerabend, the notion of scientific explanation developed by some philosophers of science is so narrow that it is impossible to speak of one theory being explained by another, a view that would leave my generation of particle physicists with nothing to do."
"Feyerabend's Dadaesque rhetoric concealed a deadly serious point: the human compulsion to find absolute truths, however noble, too often culminates in tyranny. Feyerabend attacked science not because he truly believed that it had no more claim to truth than did astrology. Quite the contrary. Feyerabend attacked science because he recognized—and he was horrified by—its power, its potential to stamp out the diversity of human thought and culture. He objected to scientific certainty for moral and political, rather than for epistemological, reasons."
"Confronted with such a variety most philosophers try to establish one approach to the exclusion of all others. As far as they are concerned there can only be one true way- and they want to find it. Thus normative philosophers argue that knowledge is a result of the application of certain rules, they propose rules which in their opinion constitute knowledge and reject what clashes with them."
"The working biologist does not ask whether he should follow the prescriptions of this or that school of philosophy. When one studies the history of various theories in science, one sympathizes with Feyerabend (1975), who claimed, "Anything goes." Indeed this attitude seems to be what guides the biologist in most of his theorizing. He does what François Jacob (1977) — with respect to natural selection — has called ‘tinkering.’ He uses whatever method will get him at the moment most conveniently to the solution of his problem."
"So far Unitarian realism claiming to possess positive knowledge about Ultimate Reality has succeeded only by excluding large areas of phenomena or by declaring, without proof, that they could be reduced to basic theory, which, in this connection, means elementary particle physics."
"The existence of antagonistic "conspiracies" was recognized by the defenders of religious and political views. Iconoclasts knew that images might distort the basic message of their creed (which consisted of words and resided in Holy Books). Church architecture and church music were adapted to the needs of the Holy Faith. Alternative styles were either fought or made part of religious PR. I conclude that our 'field of experience' is molded, overlaid, and 'conspired' against not just by language, but by numerous other patterns and institutions, many of them in mutual conflict. An inference from a style, a particular linguistic apparatus, or, more recently, from scientific beliefs, to a cosmology, corresponding ways of life and an all-embracing "spirit of the age therefore needs special support; it cannot be made as a matter of course."
"What is surprising is that almost all the trends that developed within the sciences, Aristotelianism and an extreme Platonism included, produced results, not only in special domains, but everywhere; there exist highly theoretical branches of biology and highly empirical parts of astrophysics. The world is a complex an many-sided thing."
"The members of the Japanese enlightenment of the early 1870's, Fukuzawa among them, now reasoned as follows: Japan can keep its independence only if it becomes stronger. It can become stronger only with the help of science. It will use science effectively only if it does not just practice science but also believes in the underlying ideology. To many traditional Japanese this ideology-the scientific worldview- was barbaric. But, so the followers of Fukuzawa argued, it was necessary to adopt barbaric ways, to regard them as advanced, to introduce the whole of Western civilization in order to survive. Having been thus prepared, Japanese scientists soon branched out as their Western colleagues had done before and falsified the uniform ideology that had started the development. The lesson I draw from this sequence of events is that a uniform 'scientific view of the world' may be useful for people doing science... However, it is a disaster for outsiders(philosophers, fly-by-night mystics, prophets of a new age, the (educated public"), who, being undisturbed by the complexities of research, are liable to fall for the most simpleminded and most vapid tale."
"Paul Feyerabend was one of the most influential philosophers of science of the twentieth century—unfortunately, I might add. While he was not a postmodernist (he reportedly did believe in an objective reality), his writings have given plenty of ammunition to post-modernists and even the few creationists who know who he was."
"Those who violate the rules of a language do not enter new territory; they leave the domain of meaningful discourse. Even facts in these circumstances dissolve, because they are shaped by the language and subjected to its limitations."
"Somewhere among the commotion I grew rather depressed. The depression stayed with me for over a year; it was like an animal, a well-defined, spatially localizable thing. I would wake up, open my eyes, listen-is it here or isn’t it? No sign of it. Perhaps it’s asleep. Perhaps it will leave me alone today. Carefully, very carefully, I get out of bed. All is quiet. I go to the kitchen, start breakfast. Not a sound. TV-Good Morning America, David what’s-his-name, a guy I can’t stand. I eat and watch the guests. Slowly the food fills my stomach and gives me strength. Now a quick excursion to the bathroom, and out for my morning walk-and here she is, my faithful depression: “Did you think you could leave without me?" I had often warned my students not to identify with their work. I told them, “if you want to achieve something, if you want to write a book, paint a picture, be sure that the center of your existence if somewhere else and that it’s solidly grounded; only then will you be able to keep your cool and laugh at the attacks that are bound to come." I myself had followed this advice in the past, but now I was alone, sick with some unknown affliction; my private life was in a mess, and I was without a defense. I often wished I had never written that fucking book."
"And where is the boundary-if there is a boundary-between a collective outlook and "the world"?. Many cultures assume such a boundary, but they set it in different places. Divine appearances once were real- they are mere fantasies today. Where shall we, who examine the phenomenon, set the boundary?"
"I say that Auschwitz is an extreme manifestation of an attitude that still thrives in our midst. It shows itself in the treatment of minorities in industrial democracies; in education, education to a humanitarian point of view included, which most of the time consists of turning wonderful young people into colorless and self-righteous copies of their teachers; it becomes manifest in the nuclear threat, the constant increase in the number and power of deadly weapons and the readiness of some so-called patriots to start a war compared with which the holocaust will shrink into insignificance. It shows itself in the killing of nature and of "primitive" cultures with never a thought spent on those thus deprived of meaning for their lives; in the colossal conceit of our intellectuals, their belief that they know precisely what humanity needs and their relentless efforts to recreate people in their sorry image; in the infantile megalomania of some of our physicians who blackmail their patients with fear, mutilate them and then persecute them with large bills; in the lack of feeling of so many so-called searchers for truth who systematically torture animals, study their discomfort and receive prizes for their cruelty. As far as I am concerned there exists no difference between the henchmen of Aushwitz and these "benefactors of mankind.""
"'Truth', written 'in capital letters', is an orphan in this world, without power and influence... ['Reason'] cannot stand diverging opinions - it calls them 'lies'; it puts itself 'above' the real lives of human beings, demanding, in a way characteristic of all totalitarian ideologies, the right to rebuild the world from the height of 'what it should be', i.e. in accordance with its own 'invincible' precepts. It refuses to recognize the many ideas, actions, feelings, laws, institutions, racial features which separate one nation (culture, civilization) from another... The reason of ordinary people trying to create a better and safer world for themselves and their children (which is reason with a small 'r' and not Reason 'written in capital letters') has very little in common with these ignorant dreams of domination."
"People have different professions, different points of view. They are like observers looking at the world through the narrow windows of an otherwise closed structure. Occasionally they assemble at the center and discuss what they have seen; then one observer will talk about a beautiful landscape with red trees, a red sky, and a red lake in the middle; the next one about an infinite blue plane without articulation; and the third about an impressive, five-floor-high building; they will quarrel. The observer on top of the structure (me) can only laugh at their quarrels-but for them the quarrels will be real and he (the observer on top) will be an unworldly dreamer. Real life... is exactly like that. Every person has his own well-defined opinions, which color the section of the world he perceives. And when people come together, when they try to discover the nature of the whole which they belong, they are bound to talk past each other; they will understand neither themselves nor their companions."
"Ultimate Reality, if such an entity can be postulated, is ineffable."
"There is no "scientific worldview" just as there is no uniform enterprise "science"- except in the minds of metaphysicians, school masters, and scientists blinded by the achievements of their own particular niche... There is no objective principle that could direct us away from the supermarket "religion" or the supermarket "art" toward the more modern, and much more expensive supermarket "science." Besides, the search for such guidance would be in conflict with the idea of individual responsibility which allegedly is an important ingredient of a "rational" or scientific age."
"Early Chinese thinkers had taken variety at face value. They had favored diversification and collected anomalies instead of trying to explain them away."
"Humane science must be adapted to the requirements of a balanced and rewarding life."
"A Universal Good should reflect the reality of the individual benefits that are collected under its name, not the other way around."
"Results from a given approach are "facts" as long as the approach fits the group or the tradition that is being addressed"
"Reading Feyerabend is like taking a cold shower. One steps in and is froze; one exits stimulated, invigorated, and agreeing with more of what he says than one is inclined to admit publicly."
"Arguments hardly affect the faithful- their beliefs have an entirely different foundation."
"The sciences of today are business enterprises run on business principles. Research in large institutes is not guided by Truth and Reason but by the most rewarding fashion, and the great minds of today increasingly turn to where the money is - which means military matters."
"There is no coherent knowledge, i.e. no uniform comprehensive account of the world and the events in it. There is no comprehensive truth that goes beyond an enumeration of details, but there are many pieces of information, obtained in different ways from different sources and collected for the benefit of the curious. The best way of presenting such knowledge is the list - and the oldest scientific works were indeed lists of facts, parts, coincidences, problems in several specialized domains."
"All religion may be centered around a generally good idea, however, this has not stopped its adherents from acting like bastards"
"By now many intellectuals regard theoretical or 'objective' knowledge as the only knowledge worth considering. Popper himself encourages the belief by his slander of relativism. Now this conceit would have substance if scientists and philosophers looking for universal and objective morality had succeeded in finding the former and persuaded, rather than forced, dissenting cultures to adopt the latter. This is not the case."
"Rational discourse is only one way of presenting and examining an issue and by no means the best. Our new intellectuals are not aware of its limitations and of the nature of the things outside."
"We have to realize that a unified theory of the physical world simply does not exist. We have theories that work in restricted regions, we have purely formal attempts to condense them into a single formula, we have lots of unfounded claims (such as the claim that all of chemistry can be reduced to physics), phenomena that do not fit into the accepted framework are suppressed; in physics, which many scientists regard as the one really basic science, we have now at least three different point of view (relativity, dealing with the very large, quantum theory for an intermediate domain and various particle models for the very small) without a promise of conceptual (and not only formal) unification; perceptions are outside of the material universe (the mind-body problem is still unsolved) - from the very beginning the salesman of a universal truth cheated people into admissions instead of clearly arguing for their philosophy. And let us not forget that it was they and not the representatives of the traditions they attacked who introduced argument as the one and only universal arbiter. They praised argument - they constantly violated its principles."
"If the world is an aggregate of relatively independent regions, then any assumption of universal laws is false and a demand for universal norms tyrannical: only brute force (or seductive deception) can then bend the different moralities so that they fit the prescriptions of a single ethical system. And indeed, the idea of universal laws of nature and society arose in connection with a life-and-death battle: the battle that gave Zeus the power over the Titans and all other gods and thus turned his laws into the laws of the universe."
"Many "educated citizens" take it for granted that reality is what scientists say it is and that other opinions may be recorded, but need not be taken seriously. But science offers not one story, it offers many; the stories clash and their relation to a story-independent "reality" is as problematic as the relation of the Homeric epics to an alleged "Homeric world.""
"Traditions are neither good nor bad, they simply are... Rationality is not an arbiter of traditions, it is itself a tradition or an aspect of a tradition."
"In a war a totalitarian state has a free hand."
"A free society is a society in which all traditions have equal rights and equal access to the centers of power. A tradition receives these rights not because the importance the cash value, as it were) it has for outsiders but because it gives meaning to the lives of those who participate in it."
"Experts often arrive at different results, both in fundamental matters, and in application Who does not know of at least one case in his family where one doctor recommends a certain operation, another argues against it, while a third suggests an entirely different procedure? Who has not read of the debates about nuclear safety, the of the economy, the effects of pesticides, aerosol sprays, the efficiency of methods of education, the influence of race on intelligence? Two, three, five and even more views arise in such debates, and scientific supporters can be found for all of them. Occasionally one almost feels inclined to say: as many scientists, as many opinions. There are of course areas in which scientists agree- but this cannot raise our confidence. Unanimity is often the result of a political decision: dissenters are suppressed, or remain silent to preserve the reputation of science as a source of trustworthy and almost infallible knowledge. On other occasions, unanimity is the result of shared prejudices: positions are taken without detail examination of the matter under review and are infused with the same authority that proceeds from detailed research."
"A scientist, an artist, a citizen is not like a child who needs papa methodology and mama rationality to give him security and direction, he can take care of himself, for he is the inventor not only of laws, theories, pictures, plays, forms of music, ways of dealing with his fellow man, institutions, but also entire world view, he is the inventor of entire forms of like."
"Even bold and revolutionary thinkers bow to the judgment of science. Kropotkin wants to break up all existing institutions, but he does not touch science. Ibsen goes very far in his critique of bourgeois society, but he retains science as a measure of truth. Levi Strauss has made us realize that Western thought is not the lonely peak of human achievement it was once thought to be, but he and his followers exclude science from their relativization of ideologies. Marx and Engels were convinced that science would aid the workers in their quest for mental and social liberation."
"Language became a colorless and as indistinct as the business suit which is now worm by everyone, by the scholar, by the businessman, by the professional killer. Being accustomed to a dry and dreary norm and sees in it an obvious sign of arrogance and aggression; viewing authority with almost religious awe he gets into a frenzy when he sees someone pluck the beard of his favorite prophet."
"I do not see why I should be polite to tyrants, who slobber of humanitarianism and think only of their own petty interests."
"The attitude of the Church was not as dogmatic as is often assumed. Interpretations of Bible passages had been revised in the light of scientific research before. Everyone regarded the earth as spherical and as freely floating in space though the Bible tells a different story."
"Do electrons exist, or are they merely fictitious ideas for the ordering of observations (sense date, classical events)?... If there are only sensations, then terms such as 'election or 'St. Augustine' are auxiliary terms, designed to bring some order into our experiences."
"Experts have a vested interest in their own playpens, and so they will quite naturally argue that 'education' is impossible without them (can you imagine an Oxford philosopher, or an elementary particle physicist arguing himself out of good money?)"
"Mathematical Reasoning is not only exact; it has its own criteria of reality"
"One knows quite well that harmony can be a harmony of appearances"
"The validity of usefulness, adequacy of popular standards can be tested only by research that violates them."
"Every profession has an ideology and a drive for power that goes far beyond its achievements and it is the task of democracy to keep this ideology and this drive under control. Science is here no different from other institutions."
"Human paint, produce films and videos; they dance, dream and make music; they engage in political action, exchange goods, perform rituals, build houses start wars, act in plays, try to please patrons- and so on... They contain patterns, press the practitioners to "conform" and in this way mold their thought, their perception, their actions, and their discriminative abilities."
"Scientific "facts" are taught at a very early age and in the very same manner in which religious "facts" were taught only a century ago. There is no attempt to waken the critical abilities of the pupil so that he may be able to see things in perspective. At the universities the situation is even worse, for indoctrination is here carried out in a much more systematic manner. Criticism is not entirely absent. Society, for example, and its institutions, are criticised most severely and often most unfairly... But science is excepted from the criticism. In society at large the judgment of the scientist is received with the same reverence as the judgement of bishops and cardinals was accepted not too long ago. The move towards "demythologization," for example, is largely motivated by the wish to avoid any clash between Christianity and scientific ideas. If such a clash occurs, then science is certainly right and Christianity wrong. Pursue this investigation further and you will see that science has now become as oppressive as the ideologies it had once to fight. Do not be misled by the fact that today hardly anyone gets killed for joining a scientific heresy. This has nothing to do with science. It has something to do with the general quality of our civilization. Heretics in science are still made to suffer from the most severe sanctions this relatively tolerant civilization has to offer."