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Friedrich Nietzsche

1844 AD — 1900 AD

German philosopher and cultural critic whose numbered passages question familiar judgments about morality, knowledge and everyday conduct. Read the arguments in context, with attention to their historical translation.

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Life and writing

Friedrich Nietzsche lived from 1844 to 1900. He taught classical philology at Basel before leaving his professorship in 1879. His philosophical writing developed through criticism of inherited assumptions about culture, morality and religion, often examining the motives behind judgments that appear self-evident.

Stanford Encyclopedia of Philosophy — Friedrich Nietzsche ↗ Introduction and §1 Life and Works: lifetime, Basel appointment and resignation; naturalistic critique

Human, All-Too-Human appeared in 1878 and marked a turn toward short numbered passages. A complete aphorism may make an argument, stage an objection or expose a tension rather than settle a question. The archive preserves whole numbered units in historical English translations; neighbouring passages and the larger work help readers assess the claim being made.

Stanford Encyclopedia of Philosophy — Friedrich Nietzsche ↗Project Gutenberg — Human, All-Too-Human, Part1, PG51935 ↗Project Gutenberg — Human, All-Too-Human, Part2, PG37841 ↗ §1 Life and Works: Human, All-too-human and numbered aphorisms; checked source editions and editorial reading guidance

Reading this voice

Begin with a complete numbered passage, then follow the source reference into the same edition linked below. Helen Zimmern’s 1909 Part I and Paul V. Cohn’s 1913 Part II have different translation choices. Do not treat a historical argument as a fact merely because it is memorable. Some passages contain dated social assumptions. The approximate 1872 timeline coordinate is the midpoint of 1844–1900, not the composition date of the words.

Subjects to explore

Editorial reading connections, distinct from the archive’s word matching.

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A work to read

Begin with these archive passages

Editorial starting points from this author’s existing entries.

Profile sources and editorial status

Original agent-assisted editorial profile, checked 2026-10-04. No human review is recorded. Life dates are recorded to the year; they do not date individual quotations.

Archive entries

01c. 1872 AD
Astrology and the Like.—It is probable that the objects of religious, moral, æsthetic and logical sentiment likewise belong only to the surface of things, while man willingly believes that here, at least, he has touched the heart of the world; he deceives himself, because those things enrapture him so profoundly, and make him so profoundly unhappy, and he therefore shows the same pride here as in astrology. For astrology believes that the firmament moves round the destiny of man; the moral man, however, takes it for granted that what he has essentially at heart must also be the essence and heart of things.
Friedrich Nietzsche / quote
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02c. 1872 AD
Misunderstanding of Dreams.—In the ages of a rude and primitive civilisation man believed that in dreams he became acquainted with a second actual world; herein lies the origin of all metaphysics. Without dreams there could have been found no reason for a division of the world. The distinction, too, between soul and body is connected with the most ancient comprehension of dreams, also the supposition of an imaginary soul-body, therefore the origin of all belief in spirits, and probably also the belief in gods. "The dead continues to live, for he appears to the living in a dream": thus men reasoned of old for thousands and thousands of years.
Friedrich Nietzsche / quote
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03c. 1872 AD
The Scientific Spirit Partially But Not Wholly Powerful.—The smallest subdivisions of science taken separately are dealt with purely in relation to themselves,—the general, great sciences, on the contrary, regarded as a whole, call up the question—certainly a very non-objective one—"Wherefore? To what end?" It is this utilitarian consideration which causes them to be dealt with less impersonally when taken as a whole than when considered in their various parts. In philosophy, above all, as the apex of the entire, pyramid of science, the question as to the utility of knowledge is involuntarily brought forward, and every philosophy has the unconscious intention of ascribing to it the greatest usefulness. For this reason there is so much high-flying metaphysics in all philosophies and such a shyness of the apparently unimportant solutions of physics; for the importance of knowledge for life must appear as great as possible. Here is the antagonism between the separate provinces of science and philosophy. The latter desires, what art does, to give the greatest possible depth and meaning to life and actions; in the former one seeks knowledge and nothing further, whatever may emerge thereby. So far there has been no philosopher in whose hands philosophy has not grown into an apology for knowledge; on this point, at least, every one is an optimist, that the greatest usefulness must be ascribed to knowledge. They are all tyrannised over by logic, and this is optimism—in its essence.
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05c. 1872 AD
Pneumatic Explanation of Nature.—Metaphysics explains the writing of Nature, so to speak, pneumatically, as the Church and her learned men formerly did with the Bible. A great deal of understanding is required to apply to Nature the same method of strict interpretation as the philologists have now established for all books with the intention of clearly understanding what the text means, but not suspecting a double sense or even taking it for granted. Just, however, as with regard to books, the bad art of interpretation is by no means overcome, and in the most cultivated society one still constantly comes across the remains of allegorical and mystic interpretation, so it is also with regard to Nature, indeed it is even much worse.
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06c. 1872 AD
The Metaphysical World.—It is true that there might be a metaphysical world; the absolute possibility of it is hardly to be disputed. We look at everything through the human head and cannot cut this head off; while the question remains, What would be left of the world if it had been cut off? This is a purely scientific problem, and one not very likely to trouble mankind; but everything which has hitherto made metaphysical suppositions valuable, terrible, delightful for man, what has produced them, is passion, error, and self-deception; the very worst methods of knowledge, not the best, have taught belief therein. When these methods have been discovered as the foundation of all existing religions and metaphysics, they have been refuted. Then there still always remains that possibility; but there is nothing to be done with it, much less is it possible to let happiness, salvation, and life depend on the spider-thread of such a possibility. For nothing could be said of the metaphysical world but that it would be a different condition, a condition inaccessible and incomprehensible to us; it would be a thing of negative qualities. Were the existence of such a world ever so well proved, the fact would nevertheless remain that it would be precisely the most irrelevant of all forms of knowledge: more irrelevant than the knowledge of the chemical analysis of water to the sailor in danger in a storm.
Friedrich Nietzsche / quote
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07c. 1872 AD
The Harmlessness of Metaphysics in the Future.—Directly the origins of religion, art, and morals have been so described that one can perfectly explain them without having recourse to metaphysical concepts at the beginning and in the course of the path, the strongest interest in the purely theoretical problem of the "thing-in-itself" and the "phenomenon" ceases. For however it may be here, with religion, art, and morals we do not touch the "essence of the world in itself"; we are in the domain of representation, no "intuition" can carry us further. With the greatest calmness we shall leave the question as to how our own conception of the world can differ so widely from the revealed essence of the world, to physiology and the history of the evolution of organisms and ideas.
Friedrich Nietzsche / quote
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08c. 1872 AD
Dream and Culture.—The function of the brain which is most influenced by sleep is the memory; not that it entirely ceases; but it is brought back to a condition of imperfection, such as everyone may have experienced in pre-historic times, whether asleep or awake. Arbitrary and confused as it is, it constantly confounds things on the ground of the most fleeting resemblances; but with the same arbitrariness and confusion the ancients invented their mythologies, and even at the present day travellers are accustomed to remark how prone the savage is to forgetfulness, how, after a short tension of memory, his mind begins to sway here and there from sheer weariness and gives forth lies and nonsense. But in dreams we all resemble the savage; bad recognition and erroneous comparisons are the reasons of the bad conclusions, of which we are guilty in dreams: so that, when we clearly recollect what we have dreamt, we are alarmed at ourselves at harbouring so much foolishness within us. The perfect distinctness of all dream-representations, which pre-suppose absolute faith in their reality, recall the conditions that appertain, to primitive man, in whom hallucination was extraordinarily frequent, and sometimes simultaneously seized entire communities, entire nations. Therefore, in sleep and in dreams we once more carry out the task of early humanity.
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09c. 1872 AD
Co-echoing.—All stronger moods bring with them a co-echoing of kindred sensations and moods, they grub up the memory, so to speak. Along with them something within us remembers and becomes conscious of similar conditions and their origin. Thus there are formed quick habitual connections of feelings and thoughts, which eventually, when they follow each other with lightning speed, are no longer felt as complexes but as unities. In this sense one speaks of the moral feeling, of the religious feeling, as if they were absolute unities: in reality they are streams with a hundred sources and tributaries. Here also, as so often happens, the unity of the word is no security for the unity of the thing.
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10c. 1872 AD
No Internal and External in the World.—As Democritus transferred the concepts "above" and "below" to endless space where they have no sense, so philosophers in general have transferred the concepts "Internal" and "External" to the essence and appearance of the world; they think that with deep feelings one can penetrate deeply into the internal and approach the heart of Nature. But these feelings are only deep in so far as along with them, barely noticeable, certain complicated groups of thoughts, which we call deep, are regularly excited; a feeling is deep because we think that the accompanying thought is deep. But the "deep" thought can nevertheless be very far from the truth, as, for instance, every metaphysical one; if one take away from the deep feeling the commingled elements of thought, then the strong feeling remains, and this guarantees nothing for knowledge but itself, just as strong faith proves only its strength and not the truth of what is believed in.
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11c. 1872 AD
Metaphysical Explanations.—The young man values metaphysical explanations, because they show him something highly significant in things which he found unpleasant or despicable, and if he is dissatisfied with himself, the feeling becomes lighter when he recognises the innermost world-puzzle or world-misery in that which he so strongly disapproves of in himself. To feel himself less responsible and at the same time to find things more interesting—that seems to him a double benefit for which he has to thank metaphysics. Later on, certainly, he gets distrustful of the whole metaphysical method of explanation; then perhaps it grows clear to him that those results can be obtained equally well and more scientifically in another way: that physical and historical explanations produce the feeling of personal relief to at least the same extent, and that the interest in life and its problems is perhaps still more aroused thereby.
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12c. 1872 AD
A Few Steps Back.—A degree of culture, and assuredly a very high one, is attained when man rises above superstitious and religious notions and fears, and, for instance, no longer believes in guardian angels or in original sin, and has also ceased to talk of the salvation of his soul,—if he has attained to this degree of freedom, he has still also to overcome metaphysics with the greatest exertion of his intelligence. Then, however, a retrogressive movement is necessary; he must understand the historical justification as well as the psychological in such representations, he must recognise how the greatest advancement of humanity has come therefrom, and how, without such a retrocursive movement, we should have been robbed of the best products of hitherto existing mankind. With regard to philosophical metaphysics, I always see increasing numbers who have attained to the negative goal (that all positive metaphysics is error), but as yet few who climb a few rungs backwards; one ought to look out, perhaps, over the last steps of the ladder, but not try to stand upon them. The most enlightened only succeed so far as to free themselves from metaphysics and look back upon it with superiority, while it is necessary here, too, as in the hippodrome, to turn round the end of the course.
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13c. 1872 AD
Conjectural Victory of Scepticism.—For once let the sceptical starting-point be accepted,—granted that there were no other metaphysical world, and all explanations drawn from metaphysics about the only world we know were useless to us, in what light should we then look upon men and things? We can think this out for ourselves, it is useful, even though the question whether anything metaphysical has been scientifically proved by Kant and Schopenhauer were altogether set aside. For it is quite possible, according to historical probability, that some time or other man, as a general rule, may grow sceptical; the question will then be this: What form will human society take under the influence of such a mode of thought? Perhaps the scientific proof of some metaphysical world or other is already so difficult that mankind will never get rid of a certain distrust of it. And when there is distrust of metaphysics, there are on the whole the same results as if it had been directly refuted and could no longer be believed in. The historical question with regard to an unmetaphysical frame of mind in mankind remains the same in both cases.
Friedrich Nietzsche / quote
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14c. 1872 AD
The Possibility of Progress.—When a scholar of the ancient culture forswears the company of men who believe in progress, he does quite right. For the greatness and goodness of ancient culture lie behind it, and historical education compels one to admit that they can never be fresh again; an unbearable stupidity or an equally insufferable fanaticism would be necessary to deny this. But men can consciously resolve to develop themselves towards a new culture; whilst formerly they only developed unconsciously and by chance, they can now create better conditions for the rise of human beings, for their nourishment, education and instruction; they can administer the earth economically as a whole, and can generally weigh and restrain the powers of man. This new, conscious culture kills the old, which, regarded as a whole, has led an unconscious animal and plant life; it also kills distrust in progress,—progress is possible. I must say that it is over-hasty and almost nonsensical to believe that progress must necessarily follow; but how could one deny that it is possible? On the other hand, progress in the sense and on the path of the old culture is not even thinkable. Even if romantic fantasy has also constantly used the word "progress" to denote its aims (for instance, circumscribed primitive national cultures), it borrows the picture of it in any case from the past; its thoughts and ideas on this subject are entirely without originality.
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15c. 1872 AD
Private and Œcumenical Morality.—Since the belief has ceased that a God directs in general the fate of the world and, in spite of all apparent crookedness in the path of humanity, leads it on gloriously, men themselves must set themselves œcumenical aims embracing the whole earth. The older morality, especially that of Kant, required from the individual actions which were desired from all men,—that was a delightfully naïve thing, as if each one knew off-hand what course of action was beneficial to the whole of humanity, and consequently which actions in general were desirable; it is a theory like that of free trade, taking for granted that the general harmony must result of itself according to innate laws of amelioration. Perhaps a future contemplation of the needs of humanity will show that it is by no means desirable that all men should act alike; in the interest of œcumenical aims it might rather be that for whole sections of mankind, special, and perhaps under certain circumstances even evil, tasks would have to be set. In any case, if mankind is not to destroy itself by such a conscious universal rule, there must previously be found, as a scientific standard for œcumenical aims, a knowledge of the conditions of culture superior to what has hitherto been attained. Herein lies the enormous task of the great minds of the next century.
Friedrich Nietzsche / quote
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16c. 1872 AD
A Substitute For Religion.—It is believed that something good is said of philosophy when it is put forward as a substitute for religion for the people. As a matter of fact, in the spiritual economy there is need, at times, of an intermediary order of thought: the transition from religion to scientific contemplation is a violent, dangerous leap, which is not to be recommended. To this extent the recommendation is justifiable. But one should eventually learn that the needs which have been satisfied by religion and are now to be satisfied by philosophy are not unchangeable; these themselves can be weakened and eradicated. Think, for instance, of the Christian's distress of soul, his sighing over inward corruption, his anxiety for salvation,—all notions which originate only in errors of reason and deserve not satisfaction but destruction. A philosophy can serve either to satisfy those needs or to set them aside; for they are acquired, temporally limited needs, which are based upon suppositions contradictory to those of science. Here, in order to make a transition, art is far rather to be employed to relieve the mind overburdened with emotions; for those notions receive much less support from it than from a metaphysical philosophy. It is easier, then, to pass over from art to a really liberating philosophical science.
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17c. 1872 AD
Ill-famed Words.—Away with those wearisomely hackneyed terms Optimism and Pessimism! For the occasion for using them becomes less and less from day to day; only the chatterboxes still find them so absolutely necessary. For why in all the world should any one wish to be an optimist unless he had a God to defend who must have created the best of worlds if he himself be goodness and perfection,—what thinker, however, still needs the hypothesis of a God? But every occasion for a pessimistic confession of faith is also lacking when one has no interest in being annoyed at the advocates of God (the theologians, or the theologising philosophers), and in energetically defending the opposite view, that evil reigns, that pain is greater than pleasure, that the world is a bungled piece of work, the manifestation of an ill-will to life. But who still bothers about the theologians now—except the theologians? Apart from all theology and its contentions, it is quite clear that the world is not good and not bad (to say nothing of its being the best or the worst), and that the terms "good" and "bad" have only significance with respect to man, and indeed, perhaps, they are not justified even here in the way they are usually employed; in any case we must get rid of both the calumniating and the glorifying conception of the world.
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18c. 1872 AD
Intoxicated by the Scent of the Blossoms.—It is supposed that the ship of humanity has always a deeper draught, the heavier it is laden; it is believed that the deeper a man thinks, the more delicately he feels, the higher he values himself, the greater his distance from the other animals,—the more he appears as a genius amongst the animals,—all the nearer will he approach the real essence of the world and its knowledge; this he actually does too, through science, but he means to do so still more through his religions and arts. These certainly are blossoms of the world, but by no means any nearer to the root of the world than the stalk; it is not possible to understand the nature of things better through them, although almost every one believes he can. Error has made man so deep, sensitive, and inventive that he has put forth such blossoms as religions and arts. Pure knowledge could not have been capable of it. Whoever were to unveil for us the essence of the world would give us all the most disagreeable disillusionment. Not the world as thing-in-itself, but the world as representation (as error) is so full of meaning, so deep, so wonderful, bearing happiness and unhappiness in its bosom. This result leads to a philosophy of the logical denial of the world, which, however, can be combined with a practical world-affirming just as well as with its opposite.
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19c. 1872 AD
Bad Habits in Reasoning.—The usual false conclusions of mankind are these: a thing exists, therefore it has a right to exist. Here there is inference from the ability to live to its suitability; from its suitability to its rightfulness. Then: an opinion brings happiness; therefore it is the true opinion. Its effect is good; therefore it is itself good and true. To the effect is here assigned the predicate beneficent, good, in the sense of the useful, and the cause is then furnished with the same predicate good, but here in the sense of the logically valid. The inversion of the sentences would read thus: an affair cannot be carried through, or maintained, therefore it is wrong; an opinion causes pain or excites, therefore it is false. The free spirit who learns only too often the faultiness of this mode of reasoning, and has to suffer from its consequences, frequently gives way to the temptation to draw the very opposite conclusions, which, in general, are naturally just as false: an affair cannot be carried through, therefore it is good; an opinion is distressing and disturbing, therefore it is true.
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20c. 1872 AD
The Illogical Necessary.—One of those things that may drive a thinker into despair is the recognition of the fact that the illogical is necessary for man, and that out of the illogical comes much that is good. It is so firmly rooted in the passions, in language, in art, in religion, and generally in everything that gives value to life, that it cannot be withdrawn without thereby hopelessly injuring these beautiful things. It is only the all-too-naïve people who can believe that the nature of man can be changed into a purely logical one; but if there were degrees of proximity to this goal, how many things would not have to be lost on this course! Even the most rational man has need of nature again from time to time, i.e. his illogical fundamental attitude towards all things.
Friedrich Nietzsche / quote
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21c. 1872 AD
Injustice Necessary.—All judgments on the value of life are illogically developed, and therefore unjust. The inexactitude of the judgment lies, firstly, in the manner in which the material is presented, namely very imperfectly; secondly, in the manner in which the conclusion is formed out of it; and thirdly, in the fact that every separate element of the material is again the result of vitiated recognition, and this, too, of necessity. For instance, no experience of an individual, however near he may stand to us, can be perfect, so that we could have a logical right to make a complete estimate of him; all estimates are rash, and must be so. Finally, the standard by which we measure, our nature, is not of unalterable dimensions,—we have moods and vacillations, and yet we should have to recognise ourselves as a fixed standard in order to estimate correctly the relation of any thing whatever to ourselves. From this it will, perhaps, follow that we should make no judgments at all; if one could only live without making estimations, without having likes and dislikes! For all dislike is connected with an estimation, as well as all inclination. An impulse towards or away from anything without a feeling that something advantageous is desired, something injurious avoided, an impulse without any kind of conscious valuation of the worth of the aim does not exist in man. We are from the beginning illogical, and therefore unjust beings, and can recognise this; it is one of the greatest and most inexplicable discords of existence.
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22c. 1872 AD
How Far Useful.—It must remain for ever undecided whether psychological observation is advantageous or disadvantageous to man; but it is certain that it is necessary, because science cannot do without it. Science, however, has no consideration for ultimate purposes, any more than Nature has, but just as the latter occasionally achieves things of the greatest suitableness without intending to do so, so also true science, as the imitator of nature in ideas, will occasionally and in many ways further the usefulness and welfare of man,—but also without intending to do so. But whoever feels too chilled by the breath of such a reflection has perhaps too little fire in himself; let him look around him meanwhile and he will become aware of illnesses which have need of ice-poultices, and of men who are so "kneaded together" of heat and spirit that they can hardly find an atmosphere that is cold and biting enough. Moreover, as individuals and nations that are too serious have need of frivolities, as others too mobile and excitable have need occasionally of heavily oppressing burdens for the sake of their health, should not we, the more intellectual people of this age, that grows visibly more and more inflamed, seize all quenching and cooling means that exist, in order that we may at least remain as constant, harmless, and moderate as we still are, and thus, perhaps, serve some time or other as mirror and self-contemplation for this age?
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23c. 1872 AD
The Super-animal.—The beast in us wishes to be deceived; morality is a lie of necessity in order that we may not be torn in pieces by it. Without the errors which lie in the assumption of morality, man would have remained an animal. Thus, however, he has considered himself as something higher and has laid strict laws upon himself. Therefore he hates the grades which have remained nearer to animalness, whereby the former scorn of the slave, as a not-yet-man, is to be explained as a fact.
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24c. 1872 AD
The Unchangeable Character.—That the character is unchangeable is not true in a strict sense; this favourite theory means, rather, that during the short lifetime of an individual the new influencing motives cannot penetrate deeply enough to destroy the ingrained marks of many thousands of years. But if one were to imagine a man of eighty thousand years, one would have in him an absolutely changeable character, so that a number of different individuals would gradually develop out of him. The shortness of human life misleads us into forming many erroneous ideas about the qualities of man.
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