First Quote Added
April 10, 2026
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"The whole sense of the book might be summed up the following words: what can be said at all can be said clearly, and what we cannot talk about we must pass over in silence."
"The aim of the book is to set a limit to thought, or rather — not to thought, but to the expression of thoughts: for in order to be able to set a limit to thought, we should have to find both sides of the limit thinkable (i.e. we should have to be able to think what cannot be thought). It will therefore only be in language that the limit can be set, and what lies on the other side of the limit will simply be nonsense."
"Don’t get involved in partial problems, but always take flight to where there is a free view over the whole single great problem."
"It is clear that the causal nexus is not a nexus at all."
"What cannot be imagined cannot even be talked about."
"It is true: Man is the microcosm: I am my world."
"The World and Life are one. Physiological life is of course not "Life". And neither is psychological life. Life is the world. Ethics does not treat of the world. Ethics must be a condition of the world, like logic. Ethics and Aesthetics are one."
"There are two godheads: the world and my independent I. I am either happy or unhappy, that is all. It can be said: good or evil do not exist. A man who is happy must have no fear. Not even in the face of death. Only a man who lives not in time but in the present is happy."
"To believe in a God means to understand the question about the meaning of life. To believe in a God means to see that the facts of the world are not the end of the matter. To believe in God means to see that life has a meaning."
"What do I know about God and the purpose of life? I know that this world exists. That I am placed in it like my eye in its visual field. That something about it is problematic, which we call its meaning. This meaning does not lie in it but outside of it. That life is the world. That my will penetrates the world. That my will is good or evil. Therefore that good and evil are somehow connected with the meaning of the world. The meaning of life, i.e. the meaning of the world, we can call God. And connect with this the comparison of God to a father. To pray is to think about the meaning of life."
"Certainly it is correct to say: Conscience is the voice of God."
"One of the most difficult of the philosopher's tasks is to find out where the shoe pinches."
"Language is a part of our organism and no less complicated than it."
"It is one of the chief skills of the philosopher not to occupy himself with questions which do not concern him."
"I cannot get from the nature of the proposition to the individual logical operations!!! That is, I cannot bring out how far the proposition is the picture of the situation. I am almost inclined to give up all my efforts. ——"
"My difficulty is only an — enormous — difficulty of expression."
"Don't get involved in partial problems, but always take flight to where there is a free view over the whole single great problem, even if this view is still not a clear one."
"Logic takes care of itself; all we have to do is to look and see how it does it."
"One often makes a remark and only later sees how true it is."
""It is necessary to be given the prop that all elementary props are given." This is not necessary because it is even impossible. There is no such prop! That all elementary props are given is SHOWN by there being none having an elementary sense which is not given."
"You won't — I really believe — get too much out of reading it. Because you won't understand it; the content will seem strange to you. In reality, it isn't strange to you, for the point is ethical. I once wanted to give a few words in the foreword which now actually are not in it, which, however, I'll write to you now because they might be a key for you: I wanted to write that my work consists of two parts: of the one which is here, and of everything which I have not written. And precisely this second part is the important one."
"I work quite diligently and wish that I were better and smarter. And these both are one and the same."
"Philosophy may be only a shadow of the reality it tries to grasp, but the novel is altogether more satisfactory. I am almost tempted to say that no philosopher is qualified to do his job unless he is also a novelist ... I would certainly exchange any of the works of Whitehead or Wittgenstein for the novels they ought to have written."
"[He was] a magician and had qualities of magic in his relations with people."
"The approach to philosophy that I favor, attempting to answer fundamental questions by relating them to scientific findings, is called naturalism. Many philosophers since Plato have scorned naturalism, arguing that science cannot provide answers to the deepest philosophical questions, especially ones that concern not just how the world is but how it ought to be. They think that philosophy should reach conclusions that are true a priori, which means that they are prior to sensory experiences and can be gained by reason alone. Unfortunately, despite thousands of years of trying, no one has managed to find any undisputed a priori truths. The absence of generally accepted a priori principles shows that the distinguished Platonic philosophical tradition of looking for them has failed. Wisdom must be sought more modestly. Sometimes, however, philosophy gets too modest. The highly influential Austrian/British philosopher Wittgenstein asserted that philosophy is unlike science in that all it should aim for is conceptual clarification. In his early writings, he looked to formal logic to provide the appropriate tools, and in his later work he emphasized attention to ordinary language. He claimed that philosophy “leaves everything as it is.” Much of twentieth-century philosophy in English devoted itself to the modest goal of merely clarifying existing concepts. But no one has learned much from analyzing the logic or the ordinary use of the words “wise” and “wisdom.” We need a theory of wisdom that can tell us what is important and why it is important. Such theorizing requires introducing new concepts and rejecting or modifying old ones."
"Wittgenstein was basically unscientific. He knew that science was partly driven by a desire to generalize, and he rejected generalization. Scientific questions were of no great interest to him; they merely addressed the working of the natural world. Wittgenstein spent much of his later life examining the way in which language may shape our reality. This is not a subject that is irrelevant to science."
"The philosophical tradition that goes from Descartes to Husserl, and indeed a large part of the philosophical tradition that goes back to Plato, involves a search for foundations: metaphysically certain foundations of knowledge, foundations of language and meaning, foundations of mathematics, foundations of morality, etc. [...] Now, in the twentieth century, mostly under the influence of Wittgenstein and Heidegger, we have come to believe that this general search for these sorts of foundations is misguided."
"As far as I know, Whitehead never read Wittgenstein. He told me, however, of an encounter with Wittgenstein which was entirely characteristic of the man and may interest you. The Whiteheads, at my suggestion, invited Wittgenstein for a social tea. Wittgenstein came and, as was his wont, began to silently pace back and forth across the room. Finally, he declared, "A proposition has two poles; they are apb." Naturally enough. Whitehead enquired, "What are a and b?" "They," replied Wittgenstein with some solemnity, "are indefinable.""
"There are two great men in history with whom he [Wittgenstein] somewhat resembles. One was Pascal, other was Tolstoy. Pascal was a mathematician of genius, but abandoned mathematics for piety. Tolstoy sacrificed his genius as a writer to a kind of bogus humility which made him prefer peasants to educated men and Uncle Tom's Cabin to all other works of fiction. Wittgenstein, who could play with metaphysical intricacies as cleverly as Pascal with Hexagons or Tolstoy with emperors, threw away this talent and debased himself before the peasants — in each case from an impulse of pride. I admired Wittgenstein's Tractatus but not his later work, which seemed to me to involve an abnegation of his own best talent very similar to those of Pascal and Tolstoy.... [M]ental torments which made him and Pascal and Tolstoy pardonable in spite of their treachery to their own greatness."
"The later Wittgenstein, on the contrary, seems to have grown tired of serious thinking and to have invented a doctrine which would make such an activity unnecessary. I do not for one moment believe that the doctrine which has these lazy consequences is true. I realize, however, that I have an overpoweringly strong bias against it, for, if it is true, philosophy is, at best, a slight help to lexicographers, and at worst, an idle tea-table amusement."
"He lives in the same kind of tense excitement as I do, hardly able to sit still or read a book. He was talking about Beethoven — how a friend described going to Beethoven's door and hearing him 'cursing and howling and singing' over his new fugue; after a whole hour Beethoven at last came to the door, looking as if he had been fighting the devil, and had eaten nothing for 36 hours because his cook and parlour-maid had been away from his rage. That's the sort of man to be."
"W. is very excitable: he has more passion about philosophy than I have; his avalanches make mine seem mere snowballs. He has the pure intellectual passion in the highest degree; it makes me love him. His disposition is that of an artist, intuitive and moody. He says every morning he begins his work with hope, and every evening he ends in despair — he has just the sort of rage when he can't understand things as I have."
"Just about at the time of the Armistice his father had died, and Wittgenstein inherited the bulk of his fortune. He came to the conclusion, however, that money is a nuisance to a philosopher, so he gave every penny of it to his brother and sisters. Consequently he was unable to pay the fare from Vienna to the Hague, and was far too proud to accept it from me. ... He must have suffered during this time hunger and considerable privation, though it was very seldom that he could be induced to say anything about it, as he had the pride of Lucifer. At last his sister decided to build a house, and employed him as an architect. This gave him enough to eat for several years, at the end of which he returned to Cambridge as a don..."
"I got a letter from him written from Monte Cassino, saying that a few days after the Armistice, he had been taken prisoner by the Italians, but fortunately with his manuscript. It appears he had written a book in the trenches, and wished me to read it. He was the kind of man who would never have noticed such small matters as bursting shells when he was thinking about logic. ... It was the book which was subsequently published under the title Tractatus Logico-Philosophicus."
"The landscape of language is-as Wittengenstein has it-like the oldest part of a city, original trails and cow paths interlacing as streets, a map determined not by preconceptions of urban order but by the intricate tracings of the human brain-and voice. A poem emerges as language, and the poems that most interest and engage me are poems in which several kinds of language impel you along a twisting path"
"Now, as it happens, one of the very few references to any idea in the domain of sport to be found in the most orthodox type of contemporary philosophy is what Wittgenstein has to say about the concept of a game."
"The union of logic and empiricism was solemnized in the first really independent philosophical writings of the first man to combine the requisite logical and philosophical expertise, in Our Knowledge of the External World (1914) and Philosophy of Logical Atomism (1918) of Bertrand Russell. ... Wittgenstein's Tractatus Logico-Philosophicus (1922) was the first brilliant wayward child of the marriage, but the parental lineaments were more obvious in the logical positivism of the Vienna Circle."
"Consider Wittgenstein's paradigmatic question about defining "game." The problem is that there is no property common to all games, so that the most usual kinds of definition fail. Not every game has a ball, nor two competing teams; even, sometimes, there is no notion of "winning." In my view, the explanation is that a word like "game" points to a somewhat diffuse "system" of prototype frames, among which some frame-shifts are easy, but others involve more strain."
"I began by asking whether Wittgenstein was a spiritual genius. That question really has two parts: was he the spiritually sublime individual – the ‘saint’ – people often said he was? And did he know how to be such an individual, whether or not he was one himself? I think the answer must be no to both questions. His vanity, emotional solipsism and coldness put him well outside the category of the saint; and his engineering (or surgical) approach to his spiritual condition seems to me wrongly conceived, embodying as it does a deep mistake of ethical attention. But a better question might be this: given his nature, did he live a noble and ethically distinguished life? (He clearly lived an impressive and remarkable one.) Here I think we must do him the courtesy of taking him at his word and not allow our natural sentimentality about great men to get in the way of hearing what he actually says about himself. Of Moore's reputation for saintly childlike innocence, Wittgenstein remarked: ‘I can’t understand that, unless it’s also to a child’s credit. For you aren’t talking of the innocence a man has fought for, but of an innocence which comes from a natural absence of temptation.’ If we take seriously Wittgenstein's own repeated assessment of himself as ‘rotten’ and ‘indecent’, as having a ‘wicked heart’ – in whatever way these epithets were meant – then it becomes clear why he regarded his life as a mighty struggle with himself, and what he had to overcome to achieve the moral standing he did. His peculiar greatness comes from that agonising battle between his natural hubris and the humility he craved, between his compulsive devotion to himself and his willed concern for others. The singularity of his spiritual achievement consists in this strained amalgamation of aggressive megalomania and abject self-mortification. Somehow this battle brought something spiritually valuable into the world that had not been there before: an ability, we might say, to attend religiously to the face of another human being – but to do so as if this were the strangest and most impossible thing in the world to achieve."
"Perhaps the best place to begin trying to understand Wittgenstein's character is with the photographs that exist of his face."
"Lately, the one person that's meant a lot to me is Wittgenstein. I think his remarks on color turn into some of the most beautiful poetry I've ever read. People call Wittgenstein a philosopher and I call him a poet."
"My wife gave him some Swiss cheese and rye bread for lunch, which he greatly liked. Thereafter he more or less insisted on eating bread and cheese at all meals, largely ignoring the various dishes that my wife prepared. Wittgenstein declared that it did not much matter to him what he ate, so long as it always remained the same. When a dish that looked especially appetizing was brought to the table, I sometimes exclaimed "Hot Ziggety!" — a slang phrase that I learned as a boy in Kansas. Wittgenstein picked up this expression from me. It was inconceivably droll to hear him exclaim "Hot Ziggety!" when my wife put the bread and cheese before him."
"Well, God has arrived. I met him on the 5:15 train. He has a plan to stay in Cambridge permanently."
"Three years after Einstein’s General Theory of Relativity was verified by Eddington, ending belief in fixed space and time, Ludwig Wittgenstein, one of the key figures of our period, published his Tractatus Logico-Philosophicus, which cumulatively over the decades tended to destroy confidence in philosophy as a guide to human reason. For half a century Wittgenstein’s influence on academic philosophy was immense. By the early 1990s doubts were raised about his sanity: was he a genius, or simply a madman? But by then much damage had been done. A leading Logical Positivist like Sir A.J. Ayer, who at the time of his death in 1989 was widely regarded as the world’s leading philosopher, remarked with some complacency that philosophy demonstrated that man was ignorant rather than knowledgeable: ‘[It] tends to show that we can’t really know lots of things which we think we know.’ Empirical popular knowledge, usually termed ‘common sense’, had been dismissed contemptuously by Bertrand Russell as ‘the metaphysics of savages’."
"He was like an atomic bomb, a tornado — people don't appreciate that."
"What struck me most in this conversation was a radical passion for truthfulness in everything (which I came to know as a characteristic vogue among the young Viennese intellectuals of the generation immediately preceding mine only in the following university years). This truthfulness became almost a fashion in that border group between the purely Jewish and the purely Gentile parts of the intelligentsia in which I came so much to move. It meant much more than truth in speech. One had to "live" truth and not tolerate any pretence in oneself or others. It sometimes produced outright rudeness and, certainly, unpleasantness. Every convention was dissected and every conventional form exposed as fraud. Wittgenstein merely carried this further in applying it to himself. I sometimes felt that he took a perverse pleasure in discovering falsehood in his own feelings and that he was constantly trying to purge himself of all fraud."
"Wittgenstein was right when he said that the limits of our world are identical with the limits of our language, and, I would add, there is on an everyday level clear interaction between one's language and one's patterns of thought."
"If you ask philosophers – those in the English speaking analytic tradition anyway – who is the most important philosopher of the twentieth century, they will most likely name Ludwig Wittgenstein. But the chances are that if you ask them exactly why he was so important, they will be unable to tell you. Moreover, in their own philosophical practice it will be rare, certainly these days, that they mention him or his work. Indeed, they may very fluently introduce positions, against which Wittgenstein launched powerful arguments: the very arguments which, by general agreement, make him such an important philosopher. Contemporary philosophers don't argue with Wittgenstein. Rather they bypass him. Wittgenstein has a deeply ambivalent status – he has authority, but not influence."
"Wittgenstein used the analogy of games to describe the various uses of language. We use language to inform, ask, command, entertain, speculate, curse, joke, agree, reminisce, play, emote... [etc.] There is no single feature shared by all of these.., Wittgenstein claimed; just as games lack a mutually defining feature.., language, in its great variety, has no essence. He therefore called [its] uses... 'language games'. ...The point..: if language has no essence one cannot give a systematic theory to... how it works. He was trying to bring philosophical speculation about meaning to an end. Is Wittgenstein right..? It is a good game trying to prove him wrong, and needs no equipment except a brain. ...[L]ike many ...games, it has a serious and useful point."
"Wittgenstein's appeal lies in the fact that he provides a strange kind of vindication of romanticism, of conceptual Gemeinschaft, of custom-based concepts rather than statute-seeking Reform, and that he does so through a very general theory of meaning, rather than from the premisses habitually used for this purpose. Because there is no unique formal notation valid for all speech, each and every culture is vindicated. One never knew that could be done — and so quickly too! It is that above all which endows his philosophy with such a capacity to attract and to repel. His mystique of consensual custom denies that anything can sit in judgment of our concepts, that some may be more rational and others less so. So all of them are in order and have nothing to fear from philosophy, as indeed he insists. This is a fairly mild form of irrationalism, invoking no fierce dark Gods, merely a consensual community. It is the Soft Porn of Irrationalism."