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April 10, 2026
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"I come now to another part of my system, and because it suggests a lofty idea of the plan of creation, it appears to me as the most seductive. The sequence of ideas that led us to it is very simple and natural. They are as follows: let us imagine a system of stars gathered together in a common plane, like those of the Milky Way, but situated so far away from us that even with the telescope we cannot distinguish the stars composing it; let us assume that its distance, compared to that separating us from the stars of the Milky Way, is the same proportion as the Milky Way is to the distance from the earth to the sun; such a stellar world will appear to the observer, who contemplates it at so enormous a distance, only as a little spot feebly illumined and subtending a very small angle; its shape will be circular, if its plane is perpendicular to the line of sight, elliptical, if it is seen obliquely. The faintness of its light, its form, and its appreciable diameter will obviously distinguish such a phenomenon from the isolated stars around it. We do not need to seek far in the observations of astronomers to meet with such phenomena. They have been seen by various observers, who have wondered at their strange appearance, have speculated about them, and have suggested some times the most amazing explanations, sometimes theories which were more rational, but which had no more foundation than the former. We refer to the nebulæ, or, more precisely, to a particular kind of celestial body which M. de Maupertius describes as follows: "These are small luminous patches, only slightly more brilliant than the dark background of the sky; they have this in common, that their shapes are more or less open elipses; and their light is far more feeble than that of any other objects to be perceived in the heavens." ...It is much more natural and reasonable to assume that a nebula is not a unique and solitary sun, but a system of numerous suns, which appear crowded, because of their distance, into a space so limited that their light, which would be imperceptible were each of them isolated, suffices, owing to their enormous numbers, to give a pale and uniform luster. Their analogy with our own system of stars; their form, which is precisely what it should be according to our theory; the faintness of their light, which denotes an infinite distance; all are in admirable accord and lead us to consider these elliptical spots as systems of the same order as our own—in a word, to be Milky Ways similar to the one whose constitution we have explained. And if these hypotheses, in which analogy and observation consistently lend mutual support, have the same merit as formal demonstrations, we must consider the existence of such systems as demonstrated... We see that scattered through space out to infinite distances, there exist similar systems of stars [nebulous stars, nebulæ], and that creation, in the whole extent of its infinite grandeur, is everywhere organized into systems whose members are in relation with one another.... A vast field lies open to discoveries, and observations alone will give the key."
"Tibet... this is the highest country. No doubt it was inhabited before any other and could even have been the site of all creation and all science. The culture of the Indians, as is known is almost certainly came from Tibet, just as all our arts like agriculture, numbers, the game of chess, etc., seem to have come from India."
"By a lie a man throws away and, as it were, annihilates his dignity as a man. A man who himself does not believe what he tells another … has even less worth than if he were a mere thing. … makes himself a mere deceptive appearance of man, not man himself."
"The death of dogma is the birth of morality."
"Have patience awhile; slanders are not long-lived. Truth is the child of time; erelong she shall appear to vindicate thee."
"[Religion should be] .... successively freed from all statutes based on history, and one purely moral religion rule over all, in order that God might be all in all. The veil must fall. The leading-string of sacred tradition with all its appendices becomes by degrees useless, and at last a fetter … The humiliating difference between laymen and clergymen must disappear, and equality spring from true liberty. All this, however, must not be expected from an exterior revolution, which acts violently, and depends upon fortune In the principle of pure moral religion, which is a sort of divine revelation constantly taking place in the soul of man, must be sought the ground for a passage to the new order of things, which will be accomplished by slow and successive reforms."
"As everybody likes to be honoured, so people imagine that God also wants to be honoured. They forget that the fulfilment of duty towards men is the only honour adequate to him. Thus is formed the conception of a religion of worship, instead of a merely moral religion. … Apart from moral conduct, all that man thinks himself able to do in order to become acceptable to God is mere superstition and religious folly. If once a man has come to the idea of a service which is not purely moral, but is supposed to be agreeable to God himself, or capable of propitiating him, there is little difference between the several ways of serving him. For all these ways are of equal value. … Whether the devotee accomplishes his statutory walk to the church, or whether he undertakes a pilgrimage to the sanctuaries of Loretto and Palestine, whether he repeats his prayer-formulas with his lips, or like the Tibetan, uses a prayer-wheel … is quite indifferent. As the illusion of thinking that a man can justify himself before God in any way by acts of worship is religious superstition, so the illusion that he can obtain this justification by the so-called intercourse with God is religious mysticism (Schwärmerei). Such superstition leads inevitably to sacerdotalism (Pfaffenthum) which will always be found where the essence is sought not in principles of morality, but in statutory commandments, rules of faith and observances."
"Men will not understand … that when they fulfil their duties to men, they fulfil thereby God's commandments; that they are consequently always in the service of God, as long as their actions are moral, and that it is absolutely impossible to serve God otherwise."
"# Political independence, as the right to owe his existence and continuance in society not to the arbitrary will of another, but to his own rights and powers as a member of the commonwealth."
"# Civil equality, as the right of the citizen to recognize no one as a superior among the people in relation to himself...; and"
"# Constitutional freedom, as the right of every citizen to have to obey no other law than that to which he has given his consent or approval;"
"There are three juridical attributes that inseparably belong to the citizen by right. These are:"
"Beneficence is a duty. He who often practices this, and sees his beneficent purpose succeed, comes at last really to love him whom he has benefited. When, therefore, it is said, "Thou shalt love thy neighbor as thyself," this does not mean, "Thou shalt first of all love, and by means of love (in the next place) do him good"; but: "Do good to thy neighbour, and this beneficence will produce in thee the love of men (as a settled habit of inclination to beneficence).""
"Since the narrower or wider community of the peoples of the earth has developed so far that a violation of rights in one place is felt throughout the world, the idea of a cosmopolitan right is not fantastical, high-flown or exaggerated notion. It is a complement to the unwritten code of the civil and international law, necessary for the public rights of mankind in general and thus for the realization of perpetual peace."
"...happiness is not an ideal of reason but of imagination, resting solely on empirical grounds."
"Out of the crooked timber of humanity, no straight thing was ever made."
"Freedom is the alone unoriginated birthright of man, and belongs to him by force of his humanity; and is independence on the will and co-action of every other in so far as this consists with every other person’s freedom."
"Moral Teleology supplies the deficiency in physical Teleology, and first establishes a Theology; because the latter, if it did not borrow from the former without being observed, but were to proceed consistently, could only found a Demonology, which is incapable of any definite concept."
"The body is a temple."
"Religion is too important a matter to its devotees to be a subject of ridicule. If they indulge in absurdities, they are to be pitied rather than ridiculed."
"The wish to talk to God is absurd. We cannot talk to one we cannot comprehend — and we cannot comprehend God; we can only believe in Him. The uses of prayer are thus only subjective."
"War is an act of violence pushed to its utmost bounds."
"[Clausewitz] quite understands that you must break the enemy's will, for which he suggests three processes: first to crush his army, and then to take his capital and, if that is not enough, to occupy his territory."
"We must renounce attempts at building an absolute revolutionary strategy out of the elements of our limited experience of the three years of civil war, during which units of a particular quality fought under particular conditions. Clausewitz warned very well against this. "What could be more natural," he wrote, "than the fact that war of the French Revolution had its characteristic style, and what theory could have been expected to accommodate it? The danger is that this kind of style, developed out of a single case, can easily outlive the situation that gave rise to it: for conditions change imperceptibly. That danger is the very thing a theory should prevent by lucid, rational criticism. In 1806 the Prussian generals were under the sway of this methodism", and so on. Alas! Prussian generals are not the only ones with an inclination towards methodism, that is, towards stereotypes and conventional patterns."
"[H]e far transcended the two great inspirations of his life: Scharnhorst and Napoleon. Out of Scharnhorst's fragmentary and aphoristic heritage he developed the systematic, closely knit, perfectly balanced theory, in which every factor, every aspect, every argument had its place from which it could not be removed without fatally endangering the delicate balance of the whole. From the deep appreciation of the revolution wrought by Napoleon in the art of war, he reached an infinitely broader conception embracing within its elastic framework and majestic sweep every conceivable form of warfare and strategy... [T]he impression it made when it was published after his death through the devoted efforts of his widow and friends was extraordinary. The circle of those who noticed it was at first not large, and the magnitude of his achievement, even in its fragmentary form, was far too great to be taken in at once. But his perfect mastery of his subject, the intuitive genius with which he had succeeded in expressing what his contemporaries consciously or subconsciously felt, the charm of his style deeply affected all those who read it. By a process of infiltration, the influence of his ideas spread through the higher ranks of the army, influencing the thoughts of men and replacing the far more superficial, if much more easily assimilable, doctrines of his Swiss contemporary and rival Jomini. That process, going on unobtrusively throughout the middle decades of the 19th Century, came to a full and open conclusion after the sudden death of Reyher when the leadership of the General Staff was entrusted to Moltke, who combined in an almost perfect balance the technical mastery of the conduct of operations developed in the General Staff with his profound insight into the deeper issues developed in Clausewitz's great treatise."
"That the General Staff succeeded in preserving the lessons learned at such cost in the struggle against Napoleon, was to a large extent the work of Clausewitz. Among the whole group of the Reformers, Clausewitz had been from the outset the theoretician par excellence. Not in the sense of a one-sided abstract academic pedant, but as a practical soldier, who at the same time happened to be that rare phenomenon, a natural born theorist; combining a keen appreciation of the requirements of a sound theory, with a unique understanding of the practical uses to which it could be put. During the wars against Napoleon a series of mishaps kept Clausewitz in relatively subordinate positions incommensurate with his exceptional abilities. After the peace had been reestablished, he was confined for twelve dreary years, from 1818 to 1830 to a purely administrative post as military director of the War Academy in Berlin. There, out of the intense feeling of frustration that forced him to seek an outlet for his gifts and energies in his private studies arose a long series of military studies, culminating in his famous treatise On War, the most profound, comprehensive, and systematic examination of war that has appeared to the present day."
"His Protestation of 1812 is by far the purest and most powerful expression of the new spirit of militancy that inspired the patriots of 1812–1813. Among other things it contains a virtual catalogue of political virtues and vices, a brief summary of the new militant political ethic, so to speak. Clausewitz solemnly rejected everything that might buffer the iron necessity of a life-and-death struggle, or that might tempt man to evade it—such things as the "frivolous hope" for a favourable chance; languid inaction while blindly waiting what the future might bring; "unworthy servility and flattery" to appease tyrants; "false resignation" and "unreasoning distrust" of one's own capacity; "culpable neglect of duty" toward the general good; and above all cowardly submission and the "shameless surrender of the country's and people's honour, of the personal dignity of man." What he pledged instead was to shed the last drop of blood for life's freedom and dignity; to put king and country above all else; to regard their preservation as a "most sacred duty"; to "meet danger with manly courage, calm and firm resolve, and full awareness"; to be prepared to make the "supreme sacrifice" without fear or false cunning, free of all selfishness, inspired by the "glorious struggle for freedom and the dignity of the fatherland.""
"Clausewitz was anything but a mere expert, a technician of the military craft. As shown by his poetic and expressive language alone, his way was a truly creative mind, richly endowed, open to all the sensations of nature, the full wealth of the human spirit. All in all he represented a most curious and rare combination of philosophical contemplation and impatience for action, of cold, lucid intellect and passionate sensitivity—a reflective spirit who ardently longed for heroic deeds with an ambition that was never to be fulfilled. He was, therefore, virtually predestined to cast the essence of the Prussian military spirit into a literary form none had found before him."
"If one compares Clausewitz and Foch, one will see that Foch before the World War strongly emphasized the demoralization of the enemy as the military objective; whereas Clausewitz, thinking more coolly and more comprehensively, reminded his readers that the capture or killing of the enemy constitutes in the tactical sphere the final destruction of his ability to fight on, whereas his moral overthrow constitutes only a conditioned, or generally only a temporary elimination."
"To introduce into the philosophy of War itself a principle of moderation would be an absurdity."
"Clausewitz's position on domestic issues was heavily influenced by his view of foreign affairs as they affected the security of the Prussian state. He was immune to the Byronic idealisation of liberation and freedom, valued stability, and trusted the balance of power to overcome or contain most international crises, as long as the strongest states had the ability and will to resort to war to defend the independence of the international community. That some smaller states might be sacrificed in the process, he accepted as inevitable. But at the same time he believed that Prussia would be stronger politically and militarily if its passive subjects turned into active citizens, serving in an army made up of regulars and a strong Landwehr, an institution that would give the middle class new openings to influence and power. On domestic affairs Clausewitz's views tended toward liberalism, on foreign affairs toward conservatism. In France and Britain before the Reform Act of 1832, these opinions might have placed him among moderates; in Prussia they sufficed to brand him Jacobin."
"[T]he characterisation of Clausewitz as a conservative fails to place him in the Prussian context, and, on the other hand, does not recognise that in the 1820s even a Briton with Clausewitz's views would have been a very odd Tory indeed. Clausewitz welcomed the destruction of corporative society in Prussia, to which he himself had contributed during the reform era; he believed in equality before the law, in a strong militia or Landwehr based on universal military service, in an independent judiciary, ministerial responsibility, a limited franchise, and a parliament with advisory functions. These views had much in common with early German liberalism, which still considered representative institutions less important than a professional and honest administration and a strong executive, able to defend Germany against east and west. Clausewitz's emphasis on a powerful central authority had conservative implications; yet it placed him in opposition to those conservatives who were more concerned with maintaining the traditional order of society than with increasing the power of the state, and neither Prussian conservatives nor the crown had any patience with the idea of a parliament, however limited its functions."
"By considering a few of Clausewitz's statements in isolation and christening him the "Mahdi of Mass," Basil Liddell Hart portrayed him as an intellectual forerunner of the commanders of the First World War, who for three-and-a-half years found no way out of the stalemate of the Western front, with its hundreds and thousands of casualties each week. For having stated that war was merely the continuation of policy by other means, Clausewitz was charged with minimising differences between peace and war, and thus making war more acceptable. But that accusation was based on a misunderstanding of the larger theoretical purpose of this definition: to identify political decisions as the common cause of war, which—if the leadership was rational—should also determine the degree of violence needed to achieve the political purpose. This misinterpretation fed into the view held by John Keegan, among others, that Clausewitz saw nothing morally reprehensible in war, and that his theories contributed to the boundless violence of the world wars and their ancillary conflicts in the twentieth century. To misread Clausewitz, and then ascribe to his ideas a greater influence than the world's actual experience with Napoleonic war, the vast expansion of armed forces throughout the nineteenth century, industrialisation, modern technology, and new ideologies, is, however, to fail to distinguish between historical events and their analyst."
"It is difficult not to feel that Clausewitz was right in teaching that "you must concentrate against the main enemy, who must be overthrown first", and that "the armed forces form the true objective", at least in any war where there is a genuine ideological issue."
"[T]he rascal has a ‘common sense’ bordering on wit."
"Clausewitz's principle of force without limit and without calculation of cost fits, and is only fit for, a hate-maddened mob. It is the negation of statesmanship—and of intelligent strategy, which seeks to serve the ends of policy."
"If one weighs his influence and his emphasis, one might describe him historically as the Mahdi of mass and mutual massacre. For he was the source of the doctrine of "absolute war", the fight to a finish theory which, beginning with the argument that "war is only a continuation of state policy by other means", ended by making policy the slave of strategy."
"We all know the dictum of Clausewitz, one of the most famous writers on the philosophy and history of war, which says: “War is a continuation of policy by other means.” This dictum comes from a writer who reviewed the history of wars and drew philosophic lessons from it shortly after the period of the Napoleonic wars. This writer, whose basic views are now undoubtedly familiar to every thinking person, nearly eighty years ago challenged the ignorant man-in-the-street conception of war as being a thing apart from the policies of the governments and classes concerned, as being a simple attack that disturbs the peace, and is then followed by restoration of the peace thus disturbed…"
"Herbert Rosinski concluded that Moltke was the man who applied Clausewitz's pure theory to the sphere of practical action. Waldemar Erfurth, an important German military writer and general in the Second World War, argued that Moltke freed the Prussian General Staff from Jomini's theories, led it into the intellectual world of Clausewitz, Scharnhorst, and Gneisenau, and developed Clausewitz's operational teachings in light of nineteenth-century developments."
"Although Moltke did not follow Clausewitz's teachings on the proper relationship between war and politics, on many other points he was the key link between On Wars philosophical speculations and the theory and practice of the Prussian army. Writing after the Second World War, General Staff officer Hermann Teske wrote that Moltke was the incarnation of the Clausewitzian theory. In the essays printed here, the reader will find ample conformation that Moltke employed Clausewitzian thinking and specific terms in numerous cases. Both Clausewitz and Moltke emphasised the primacy of battle and annihilation of the main enemy army. Both accepted uncertainty in warfare and emphasised improvisation over permanent or binding doctrine. Both emphasised the need for speed in making and executing decisions rather than lengthy searches for ideal solutions. Both emphasised moral factors in war and the need for independent action by local commanders, although Moltke certainly carried this farther than did Clausewitz. Both rejected the idea that systems could ever replace individual talent, and neither believed that any firm rules were possible in warfare."
"It was during the period of calm that one of the most important works of military science was composed, Vom Kriege (‘On War’), by the director of the Prussian War Academy, Carl von Clausewitz. This little-read but much-criticised book contains the first attempt to create a philosophy of war and to analyse its characteristics from a detached standpoint. It played a great part in forming the attitude of mind of several generations of German General Staff Corps officers. From it derives that striving to observe both men and affairs coolly and sensibly which has been the foremost quality of all outstanding members of the German General Staff. It served also to strengthen the patriotism and the idealism which inspired such officers."
"In his eyes the main object of the state was to manufacture war power instead of merely insuring itself against war. What Clausewitz really did was to democratize war, and when the spirit of his doctrines was coupled with that of Darwin's "The Origin of Species" (1859), they produced the Prussian Military System; and when united with that of Karl Marx's Das Kapital (1867), they produced the Russian Military System. All three writers based their theories upon "mass struggle" — in war, in life and in economics."
"1870 woke us out of that sleep, for it gave us an enemy formed by the teaching of history—by the study of concrete facts. It was in such a fashion that Scharnhorst, Willisen and Clausewitz had, from the beginning of the nineteenth century, formed the Command of the Prussian Army. In order to know and understand war they had not confined themselves to examining the tool which is used in warfare, and taking it to pieces in its component material parts without taking man—who uses it—into account. In the Book of History, carefully analysed, they had found the living Army, troops in movement and action with their human needs, passions, weaknesses, self-denials, capacities of all sorts: "Far from being an exact science, war is a dreadful and impassioned drama.""
"His is not simply the greatest but the only truly great book on war."
"One cannot help feeling that Liddell Hart was prejudiced against Clausewitz in the profoundest sense. He writes throughout as though the latter was advocating unlimited war to the exclusion of all alternatives, whereas even a superficial reading shows Clausewitz's intention to have been quite different; namely to suggest that total war was at one end of the spectrum of inter-state violence. Napoleon's campaigns had shown that modern nations in arms were capable of fighting such "total" wars and, once manifested, it was unlikely that similar wars would not occur in the future. But total war was "ideal" for Clausewitz only in the philosophical sense: his reiterated phrases to the effect that war must be subordinated to policy and is indeed only "a continuation of state policy with an admixture of other means" gives the lie to Liddell Hart's misrepresentation. In numerous places where Liddell Hart criticises him, Clausewitz is only coolly and accurately describing what tends to happen in war. The former gives the game away when he remarks: "Perhaps the harm might have been avoided if his book had been viewed in the light that its title implied—as a treatise on the nature of war, instead of as a practical guide to the conduct of war." Yet this is precisely the mistake that Liddell Hart himself repeatedly makes."
"What lessons, then, does the case of Clausewitz...offer to a military historian asked to ponder the future of war over the next 170 years? The first is that it would be pointless to imagine that future in terms of even the most advanced military technology of today. Everything that Clausewitz wrote, about the actual conduct of operations became irrelevant within 50 years, because firepower became transformed by breechloading, rifling and the machine-gun, while logistics and communications were transformed by the railway and the electric telegraph... Rather than thus seek to predict how wars will be operationally conducted and with what technology, it is more useful to return for guidance to Clausewitz's fundamental insights into the enduring nature of conflict and the relationship between war and politics. He famously wrote that "war is a continuation of policy by other means", meaning that it is not just a regrettable breakdown of a natural human harmony (as in the liberal view), but a tool of political purpose, and one which should be governed throughout its course by political, not purely military considerations. War, he further observes, is an act of violence intended to compel an opponent to fulfil our will."
"On War constitutes the most important single work ever written on the subject. It has inspired general staffs, radical thinkers like Marx and Mao Tse-tung, and (with the start of the Cold War) jargon-ridden American academic studies of "strategy", huge in size but low in payload. Yet, oddly enough, Clausewitz figures little in university courses on political thought. Why Burke, Rousseau and J.S. Mill, but not Clausewitz? It is because his analysis is far too politically incorrect to be acceptable to the liberal mindset that has prevailed in Western academia since the mid-19th century. But such is Clausewitz's continuing power that small-l liberals even including, sad to say, John Keegan, author of this year's Reith Lectures – are at vast pains to dismiss his thinking as irrelevant, outmoded, dangerous or, absurdly, amoral."
"...only a fraction of book learning will seep into practical life anyhow; and the more foolish the theory, the less of it."
"A general who allows himself to be decisively defeated in an extended mountain position deserves to be court-martialled."
"A conqueror is always a lover of peace (as Bonaparte always asserted of himself); he would like to make his entry into our state unopposed; in order to prevent this, we must choose war, and therefore also make preparations, that is in other words, it is just the weak, or that side which must defend itself, which should be always armed in order not to be taken by surprise; so it is willed by the art of war. (Original German: "Der Eroberer ist immer friedliebend (wie Bonaparte auch stets behauptet hat), er zöge ganz gern ruhig in unseren Staat ein; damit er dies aber nicht könne, darum müssen wir den Krieg wollen und also auch vorbereiten, d. h. mit anderen Worten: es sollen gerade die Schwachen, der Verteidigung Unterworfenen, immer gerüstet sein und nicht überfallen werden; so will es die Kriegskunst.")"