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April 10, 2026
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"Essentally combat is an expression of hostile feelings. But in the large-scale combat that we call war hostile feelings often have become merely hostile intentions. At any rate, there are usually no hostile feelings between individuals. Yet such emotions can never be completely absent from war. Modern wars are seldom fought without hatred between nations; this serves as a more or less substitute for the hatred between individuals. Even when there is no natural hatred and no animosity to start with, the fighting itself will stir up hostile feelings: violence committed on superior orders will stir up the desire for revenge and retaliation against the perpetrator rather than against the powers that ordered the action. It is only human (or animal, if you like), but it is a fact."
"Anyone who feels the urge to undertake such a task must dedicate himself for his labors as he would prepare for a pilgrimage to distant lands. He must spare no time or effort, fear no earthly power or rank, and rise above his own vanity or false modesty in order to tell, in accordance with the expression of the Code Napoléon, the truth, the whole truth, and nothing but the truth."
"Thus it has come about that our theoretical and critical literature, instead of giving plain, straightforward arguments in which the author at least always knows what he is saying and the reader what he is reading, is crammed with jargon, ending at obscure crossroads where the author loses its readers. Sometimes these books are even worse: they are just hollow shells. The author himself no longer knows just what he is thinking and soothes himself with obscure ideas which would not satisfy him if expressed in plain speech."
"There are times when the utmost daring is the height of wisdom."
"...it is better to go on striking in the same direction than to move one's forces this way and that."
"Knowledge must be so absorbed into the mind that it ceases to exist in a separate, objective way."
"...an intellectual instinct which extracts the essence from the phenomena of life, as a bee sucks honey from a flower. In addition to study and reflections, life itself serves as a source."
"Knowledge in war is very simple, being concerned with so few subjects, and only with their final results at that. But this does not make its application easy."
"Great things alone can make a great mind, and petty things will make a petty mind unless a man rejects them as completely alien."
"The more physical the activity, the less the difficulties will be. The more the activity becomes intellectual and turns into motives which exercise a determining influence on the commander's will, the more the difficulties will increase."
"...talent and genius operate outside the rules, and theory conflicts with practice."
"...soldierly simplicity of character that has always represented the military at its best. In the higher ranks it is different. The higher a man is placed, the broader his point of view. Different interests and a wide variety of passions, good and bad, will arise on all sides. Envy and generosity, pride and humility, wrath and compassion - all may appear as effective forces in this great drama."
"Modern wars are seldom fought without hatred between nations; this serves more or less as a substitute for hatred between individuals."
"Architects and painters know precisely what they are about as long as they deal with material phenomena. … But when they come to the aesthetics of their work, when they aim at a particular effect on the mind or on the senses, the rules dissolve into nothing but vague ideas."
"Everything in war is simple, but the simplest thing is difficult."
"...self-reliance is the best defense against the pressures of the moment."
"Obstinacy is a fault of temperament. Stubbornness and intolerance of contradiction result from a special kind of egotism, which elevates above everything else the pleasure of its autonomous intellect, to which others must bow."
"Of all the passions that inspire a man in a battle, none, we have to admit, is so powerful and so constant as the longing for honor and renown."
"... the role of determination is to limit the agonies of doubt and the perils of hesitation when the motives for action are inadequate."
"If the mind is to emerge unscathed from this relentless struggle with the unforeseen, two qualities are indispensable: first, an intellect that, even in the darkest hour, retains some glimmerings of the inner light which leads to truth; and second, the courage to follow this faint light wherever it may lead."
"Any complex activity, if it is to be carried on with any degree of virtuosity, calls for appropriate gifts of intellect and temperament. If they are outstanding and reveal themselves in exceptional achievements, their possessor is called a 'genius'."
"Our discussion has shown that while in war many different roads can lead to the goal, to the attainment of the political object, fighting is the only possible means."
"Blind aggressiveness would destroy the attack itself, not the defense."
"With uncertainty in one scale, courage and self-confidence should be thrown into the other to correct the balance. The greater they are, the greater the margin that can be left for accidents."
"Although our intellect always longs for clarity and certainty, our nature often finds uncertainty fascinating."
"... in the whole range of human activities, war most closely resembles a game of cards."
"...only the element of chance is needed to make war a gamble, and that element is never absent."
"Men are always more inclined to pitch their estimate of the enemy's strength too high than too low, such is human nature."
"The worst of all conditions in which a belligerent can find himself is to be utterly defenseless."
"The invention of gunpowder and the constant improvement of firearms are enough in themselves to show that the advance of civilization has done nothing practical to alter or deflect the impulse to destroy the enemy, which is central to the very idea of war."
"Action in war is like movement in a resistant element. Just as the simplest and most natural of movements, walking, cannot easily be performed in water, so in war it is difficult for normal efforts to achieve even moderate results."
"Wir sagen es also noch einmal: ein starkes Gemüt ist nicht ein solches, welches bloß starker Regungen fähig ist, sondern dasjenige, welches bei den stärksten Regungen im Gleichgewicht bleibt, so daß trotz den Stürmen in der Brust der Einsicht und Überzeugung wie der Nadel des Kompasses auf dem sturmbewegten Schiff das feinste Spiel gestattet ist."
"Die Entschlossenheit ist ein Akt des Mutes in dem einzelnen Fall, und wenn sie zum Charakterzug wird, eine Gewohnheit der Seele. Aber hier ist nicht der Mut gegen körperliche Gefahr, sondern der gegen die Verantwortung, also gewissermaßen gegen Seelengefahr gemeint. Man hat diesen oft courage d'esprit genannt, weil er aus dem Verstande entspringt, aber er ist darum kein Akt des Verstandes, sondern des Gemüts. Bloßer Verstand ist noch kein Mut, denn wir sehen die gescheitesten Leute oft ohne Entschluß. Der Verstand muß also erst das Gefühl des Mutes erwecken, um von ihm gehalten und getragen zu werden, weil im Drange des Augenblicks Gefühle den Menschen stärker beherrschen als Gedanken."
"[...] so sind ihm zwei Eigenschaften unentbehrlich [...] Der erstere ist bildlich mit dem französischen Ausdruck coup d'oeil bezeichnet worden, der andere ist die Entschlossenheit."
"Since war is not an act of senseless passion but is controlled by its political object, the value of this object must determine the sacrifices to be made for it in magnitude and also in duration. Once the expenditure of effort exceeds the value of the political object, the object must be renounced and peace must follow. We see then that if one side cannot completely disarm the other, the desire for peace on either side will rise and fall with the probability of further successes and the amount of effort these would require. If such incentives were of equal strength on both sides, the two would resolve their political disputes by meeting half way. If the incentive grows on one side, it should diminish on the other. Peace will result so long as their sum total is sufficient — though the side that feels the lesser urge for peace will naturally get the better bargain."
"War is an act of violence pushed to its utmost bounds."
"To introduce into the philosophy of War itself a principle of moderation would be an absurdity."
"Kind-hearted people might of course think there was some ingenious way to disarm or defeat the enemy without too much bloodshed, and might imagine this is the true goal of the art of war. Pleasant as it sounds, it is a fallacy that must be exposed: War is such a dangerous business that mistakes that come from kindness are the very worst."
"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.")"
"The Conqueror is always a lover of peace: he would prefer to take over our country unopposed."
"Phillipsburg was the name of one of those badly drawn fortresses resembling a fool with his nose too close to the wall."
"Surprise becomes effective when we suddenly face the enemy at one point with far more troops than he expected. This type of numerical superiority is quite distinct from numerical superiority in general: it is the most powerful medium in the art of war."
"But if the assailant, without troubling himself about the existence of the Army awaiting his attack in a defensive position, advances with his main body by another line in pursuit of his object, then he 'passes by the position,' and if he can do this with impunity, and really does it, he will immediately enforce the abandonment of the position, consequently put an end to its usefulness."