Chapter 13: The Principles of Combat

We have established that principles are natural laws — discovered, not invented, woven into creation by a sovereign God. We have examined the two foundational capabilities: awareness (the weapon that makes all other weapons work) and deception (the attack that corrupts the weapon). Now we turn to the principles themselves.

There are eight. They are not independent of one another. They do not occupy exclusive spaces. They are not meant to be applied individually or linearly. They rely on one another and subsume one another at different points. The first is the root. The other seven are special cases of it. Combat strategy is the interweaving of tactics derived from these principles to achieve your goals, both short and long term.

John Keegan observed that "war is not an intellectual activity but a brutally physical one. War always tends towards attrition... Nevertheless, few who make war at any level, from commander to soldier in the line of battle, seek to win by attrition. All hope for success at lesser cost. Thought offers a means of reducing the price."^13.54 The principles that follow are that thought — the accumulated wisdom of those who sought to reduce the price.

A word before we begin: these principles describe engaged conflict — what happens when wills have already collided and one or both parties have committed to the imposition of their will. Sun Tzu's "supreme excellence" — breaking the enemy's resistance without fighting^13.1 — sits above these principles. It is the strategic ideal that renders them unnecessary. When supreme excellence fails — when the fight is happening — these are the laws that govern it.

Principle 1: Maximize Your Resources While Minimizing Your Enemy's

This is the mega-principle. Every other principle that follows can be understood as a specific application of resource maximization and minimization.

By maximizing your resources — weapons, supplies, people, time, energy, means of attack, damage capacity, intelligence, morale, positioning — and minimizing your enemy's, you place yourself at a decisive advantage in any conflict.^13.2 Maximization is achieved through conservation and accumulation. Minimization through waste, usage, spoilage, and interception.

Sun Tzu understood this as the governing logic of all strategy: "Whoever is first in the field and awaits the coming of the enemy, will be fresh for the fight; whoever is second in the field and has to hasten to battle will arrive exhausted. Therefore the clever combatant imposes his will on the enemy, but does not allow the enemy's will to be imposed on him."^13.3 The man who arrives fresh has maximized his energy. The man who arrives exhausted has had his energy minimized by the other's positioning. The battle may be decided before a blow is struck.

Turenne expressed the economic dimension: "It is a great mistake to waste men in taking a town when the same expenditure of soldiers will gain a province."^13.4 The resource calculus applies at every scale — from the fighter who conserves his energy for the decisive strike to the nation that chooses its battles based on return on investment. Waste is the enemy of victory.

A critical distinction: the principle is not possess more resources. It is maximize and minimize — verbs, not nouns. Resources must be effectuated, not merely held. The United States in Vietnam possessed overwhelming materiel superiority — more aircraft, more firepower, more money, more technology — and lost. It was the Vietnamese who applied P1: they maximized the usability of their own resources (time, terrain, political will, popular endurance, dispersion, asymmetry) while systematically degrading the usability of American advantages. A B-52 that cannot translate into the desired political effect is not fully available strategic power. The same logic scales to hand-to-hand combat. Consider a weaker fighter who flanks a much stronger man, squaring his body to the stronger man's side. The weaker man has denied the stronger man the use of his far arm — it is out of range, and the stronger man would have to turn his whole body to bring it to bear — while keeping both of his own arms in play. Two arms against one. The weaker man has maximized his own usable force and minimized his opponent's. That is the principle. Not who has more, but who can bring more to bear at the point of contact.

The principles that follow are not additions to this one. They are applications of it:

Control distance → maximize your effective weapons, minimize theirs
No wasted motion → maximize timing and speed, minimize energy expenditure
Attack vulnerabilities → maximize effectiveness of attacks, minimize exposure to risk
Seek action → maximize offensive time, minimize enemy recovery time
Violence of action → maximize resolve, maximize shock

Each principle below will demonstrate its derivation from this root.

Principle 2: Seek Action Rather Than Reaction

Derivation from P1: Initiative is a resource. The actor sets the tempo. The reactor is always behind.

You cannot react faster than your opponent can act. This is a tautology, since the reaction must take place after the action. If you lose the initiative — the inciting action — you must do everything you can to regain it, or you will be forced into a timing battle that you cannot win. You will be reacting rather than acting, and you will be acting defensively rather than offensively, both of which lead ultimately to defeat.

Cooper's axiom applies here with full force: "A commander may be forgiven for being defeated, but never for being surprised."^13.5 Surprise is the ultimate seizure of initiative. The surprised combatant has not merely lost the initiative — he has lost awareness of the initiative, which is worse. His OODA loop has been interrupted at the first node. He is behind before he knows the race has started.

Ernest Emerson drives the point from the personal combat domain: "A person cannot react faster than another person can act... So I hope you are seeing that you have to go on the offense and you must remain on the offense until the threat is neutralized."^13.6 The logic is inescapable: if you are reacting, you are always behind the actions of others and at their mercy. Someone else is writing the script and you are reading from it. Action means you hold the pen. This is true not only in physical combat but in every mode — the person who reacts verbally is defending a frame someone else has set; the person who reacts spiritually is fighting on ground the enemy has chosen.

The spiritual dimension: Satan rarely announces his attacks. He prefers to strike before the believer is prepared — at transition zones when the person is mving from one activity or thought to another, in moments of exhaustion or distraction. Luke 4:13 records that after the wilderness temptation, "the devil departed from him until an opportune time."^13.7 He chose his moment. Seeking action rather than reaction, in the spiritual war, means maintaining the posture of Condition Yellow — never allowing yourself to be thrust from White into Red without passing through the decision space of Orange.

John Boyd would argue that this principle is not merely one application of P1 but the real root — that decision-cycle tempo, not resource balance, is the fundamental determinant of victory.^13.8 Boyd has a point. The side that cycles through OODA faster imposes its tempo on the slower side, regardless of resource balance. But tempo itself is a resource — perhaps the most critical one. Boyd's OODA framework does not contradict the resource model. It reveals which resource matters most: the speed of the decision cycle. The combatant who sees first, decides first, and acts first has maximized the most important resource in combat: time.

Principle 3: Only Enter Conflict You Have a Compelling Reason to Engage

Derivation from P1: Conservation of resources. Every engagement costs. Without compelling purpose, you hemorrhage resources — physical, psychological, moral — for no strategic gain.

Do not contend with a man for no reason, when he has done you no harm.^13.9

Proverbs 3:30 is the oldest formulation of this principle, and it is devastating in its simplicity. Do not fight without cause. The man who enters combat without compelling reason wastes everything he brings to the fight. His energy, his time, his moral authority, his position — all spent on a contest that serves no purpose.

This principle sits upstream of the resource calculus. It is the gating function — the question that must be answered before any engagement: should you enter the equation at all? If you do not believe in what you are fighting for, you are placing your own life and the lives of those around you in jeopardy, because only a true and driving purpose will carry you to the extremes necessary to prevail in combat.^13.10

The pacifist critique of Principle 8 (violence of action) finds its strongest foothold here, not there. Yoder and Hauerwas are not wrong that combat corrupts.^13.11 They are wrong that it is never justified. Principle 3 is the filter: enter only when the cause compels. The just war tradition — Augustine's conditions, Aquinas's three requirements — is the institutional expression of this principle.^13.12 And the principle applies across all three modes: do not argue without cause. Do not wage mental war without purpose. Do not pick fights — physical, verbal, or spiritual — that serve no end aligned with God's will.

Ecclesiastes reminds us why the filter matters: "The race is not to the swift, nor the battle to the strong... time and chance happen to them all."^13.13 Every engagement carries risk. Even the favored side can lose. The principle demands that the risk be justified by the stake.^13.51

Thermopylae might seem to contradict this — three hundred men fighting a battle they knew they could not survive. But the Spartans at the Gates did not lack compelling reason. They had the most compelling reason available: love of country, duty, the purchase of time for allies, and fidelity to their people. The fight was not irrational merely because it was sacrificial. Sacrifice itself can be the compelling reason. P3 filters against vanity, impulse, and moral drift. It does not filter against costly obedience.

Principle 4: Control Your Distance

Derivation from P1: Distance determines which weapons are effective. By controlling distance, you maximize the number of your effective weapons and minimize the enemy's.

All combat proficiency relies on distance effectiveness. Weapons are effective at different distances. By understanding this and controlling the distance between yourself and your adversary, you can increase or decrease the effectiveness of particular weapons — yours and theirs. This is why much of the information about weapons systems' distance effectiveness is classified: knowledge of effective range has enormous strategic impact.^13.14

The word your in the formulation of this principle is critical. While you can influence your opponent's distance, you can only ever control your own. You must remain cognizant of the distance and maintain one where you have the advantage.

Emerson states it with characteristic directness: "He who controls distance controls the fight. You must be the one making the choices of controlling the distance between combatants."^13.15 The Ving Tsun maxim captures the offensive application: Loy Lau Hui Sung — "Hand comes, detain; hand goes, follow."^13.16 When the enemy closes distance, you control his entry. When he retreats, you follow to maintain your effective range. You never let the enemy choose the distance.

The Range and Time analysis from my journal develops this mathematically: range is a constant easier to reason over than time. When two entities have differing effective ranges and those ranges are omnidirectional, the entity with the longer range always poses the greater threat regardless of time-to-engagement. The only way the shorter-range entity can overcome this is through exploitation of the OODA loop — stealth, misdirection, or speed of maneuver to close inside the enemy's effective range before he can react.^13.17 This is why awareness (Chapter 11) and deception (Chapter 12) are foundational: they are the tools by which distance is attacked and defended.

Rex Applegate adds a concrete physical reason for maintaining distance: "The danger of being stunned upon impact with the ground surface also presents a good reason for not closing with the opponent if it can be avoided."^13.55 The consequence of losing distance is not merely tactical disadvantage — it is the risk of incapacitation.

A common objection: insurgents, suicide bombers, and ambush fighters collapse distance rather than maintain it. Does this not violate the principle? No — it confirms it. The insurgent who closes distance is controlling distance. He is denying the stronger force its preferred engagement envelope (standoff, ISR, airpower) while choosing the range where his own means become most effective. A vest bomb or hidden rifle only works if the attacker can cross the safety buffer before the stronger side converts awareness into action. Closing distance is distance control. The real opposite of P4 is not getting close. It is letting the enemy determine the terms of contact.

The spiritual application: distance from temptation is a weapon. The believer who maintains distance from the sources of his particular weakness — who does not flirt with the boundary, does not linger in the transition zone, does not put himself in range of the enemy's most effective attack — is applying this principle. "Flee from sexual immorality."^13.18 "Flee from idolatry."^13.19 Paul does not say resist at close range. He says flee — increase the distance. Control the range.^13.53

Principle 5: No Wasted Motion

Derivation from P1: Motion consumes time and energy — both resources. Wasted motion depletes your reserves and gives the enemy time to react. Economy of motion is resource conservation in its purest kinetic form.

Every movement must have purpose driving it. Do only what you must to achieve your desired result, and nothing more. Ars Gratia Artis — leave the "art" out of "The Art of War."^13.20

Emerson codifies two sub-principles: "Economy of Motion — everything you do must be direct, simple and quick. Efficiency of Action — every technique has to work with as little complexity as possible and must deliver as much energy or power as possible into the target."^13.21

Bruce Lee lived this principle: "Above all, he makes his movements with a purpose."^13.22 And: "The JKD direct movement — in attacks and counters — throwing from where it is without repositioning."^13.23 The strike launches from wherever the hand is. No wind-up. No telegraphing. No wasted frame. The Ving Tsun maxim captures the geometry: Yan Han Kung, Ngor Han Yin — "Others walk the bow; I walk the string."^13.24 The shortest distance between two points. Always.

Applegate adds the defensive dimension: "Do not work directly against, or try to stop, the momentum of an opponent in motion."^13.25 Wasting your energy to stop the enemy's motion is double waste — you spend your resources while the enemy's kinetic energy does the work for free. Redirect rather than resist. Use the opponent's waste as your resource.

This principle does not preclude the indirect approach. If indirection is the tactic that most readily accomplishes your objective, then the principle demands the most direct indirect route. Liddell Hart's entire strategic philosophy — "in strategy, the longest way round is often the shortest way home"^13.26 — is an application of this principle, not a contradiction of it. The indirect route is chosen because the direct route wastes more in opposition, fortification, and attrition than the roundabout way saves in distance.

Principle 6: Attack Where They Are Most Vulnerable — Schwerpunkt

Derivation from P1: Attacking vulnerabilities maximizes the effectiveness and damage of your attacks while minimizing your exposure to risk. Maximum damage at minimum cost — the purest expression of the resource equation.

Attack where they are actually vulnerable, not where they appear most vulnerable. This distinction matters enormously. Van Creveld warns: "The concept of Schwerpunkt is sometimes confused with hitting the enemy where he is either strongest or weakest. The first will lead to a head-on clash which, provided the forces are at all equal, is likely to be both bloody and indecisive; the latter will lead to attacking into dead ends, scattering one's forces to no avail."^13.27

Schwerpunkt — the decisive point — is not the weakest point. It is the point where concentrated effort achieves strategic effect. Clausewitz defines it precisely: "A center of gravity is always found where the mass is concentrated most densely. It presents the most effective target for a blow."^13.28 The center of gravity is the point whose destruction or neutralization collapses the enemy's entire system. It may be well defended. It may not be the easiest target. But it is the target whose fall decides the battle.

Applegate illustrates the personal-combat application with brutal honesty: "A blow aimed or feinted at the eyes or 'family jewels' (testicles) will cause a man to move instinctively to cover them. Many times this will leave him wide open for other types of attack."^13.29 The feint at the vulnerability forces a defensive reaction that exposes a different vulnerability. Exploiting vulnerabilities feeds directly into Principles 2 and 7: the startle response created by an attack on a weak point puts the enemy into reaction mode and forces him into defensive posture.

Sun Tzu: "Indirect tactics, efficiently applied, are inexhaustible as Heaven and Earth, unending as the flow of rivers and streams."^13.30 The indirect attack on the decisive point — the schwerpunkt identified, the feint executed, the real blow landing where the enemy has been pulled away from — is the art of war at its highest physical expression.

Principle 7: You Cannot Win by Defense Alone — You Must Act Offensively

Derivation from P1: Defense alone cannot impose your will on the enemy. It can only delay the enemy's imposition of theirs. Defense consumes resources without generating strategic gains. At best, you can use defense to exhaust the enemy through attrition — but this places you at a decided disadvantage if he manages to break through.

Sun Tzu states it as a complementary pair: "Attack is the secret of defense; defense is the planning of an attack."^13.31 Defense is not the absence of offense. It is the preparation for offense. The purpose of defense is to create conditions for the counterattack. FM 3-90-2, the Army's field manual on defensive operations, confirms this doctrinally: "The purpose of the defense is to create conditions for a counteroffensive that allows Army forces to regain the initiative."^13.32 Even the Army does not pretend that defense wins wars.

Emerson puts the personal-combat reality plainly: "The bottom line is that if you are fighting defensively, you are reacting to the opponent and he is deciding what to do and when to do it."^13.33 You are ceding initiative (P2), allowing the enemy to choose the distance (P4), and spending resources without return (P1). Defense is necessary — sometimes you must absorb a blow to survive — but it is never sufficient.

The Ving Tsun maxim captures the ideal: Dar Sao Jic Siu Soa — "The hand that hits also blocks."^13.34 Offense and defense in a single motion. No wasted movement (P5), initiative seized (P2), attack delivered while defense is maintained. This is the martial embodiment of economy, made possible through pure physics — two objects cannot occupy the same space at the same time.^13.50

The spiritual warfare dimension is illuminating. In Ephesians 6:10-18, Paul lists six pieces of the armor of God: the belt of truth, the breastplate of righteousness, the shoes of readiness, the shield of faith, the helmet of salvation — and the sword of the Spirit, which is the word of God.^13.35 Five are defensive. One is offensive. The sword is not, technically speaking, armor. It is a weapon. And it is the word of God — the same instrument Christ used to defeat Satan's temptation in the wilderness. "It is written."^13.36 Three words. Offensive. Decisive. This is how Jesus fought: not by enduring the attack passively, but by striking back with the sword of truth. Defense held the line. Offense won the battle.

Tolstoy might object here — and his objection is worth hearing, even if it applies more to the strategic level than to the personal. In the epilogue to War and Peace, Tolstoy argues that individual commanders do not control outcomes; the movement of armies is the product of millions of individual wills, and the "great man" who believes he directs the battle is deluded.^13.37 The objection has force at scale — no single combatant determines the outcome of Austerlitz. But at the scale this book addresses — the fistfight, the ambush, the personal spiritual battle — individual agency is maximal. The man facing an attacker in a parking lot is not a cog in a vast machine. He is the entire army. And if he does not go on the offense, he will be destroyed.

Principle 8: Attack Using Violence of Action

Derivation from P1: Resolve is a resource. Half-hearted engagement squanders every other resource you bring to the fight. Violence of action maximizes the conversion of your resources into destructive effect while simultaneously maximizing the psychological and physical shock inflicted on the enemy.

When conflict must be engaged into physical action, it cannot be undertaken in a half-hearted way. This speaks to mental state and physical out-working. The opposite will lead to demoralization and attrition.

Cooper frames the defensive application: "In defense we do not initiate violence. We must grant our attacker the vast advantage of striking the first blow, or at least attempting to do so. But thereafter we may return the attention with what should optimally be overwhelming violence. The best personal defense is an explosive counterattack."^13.38 And: "Violent crime is feasible only if its victims are cowards."^13.39 Violence of action transforms the defender into the attacker. The counterattack, delivered with total commitment, seizes the initiative (P2), goes on the offense (P7), and overwhelms the adversary's capacity to react.

Sun Tzu: "Rapidity is the essence of war."^13.40 Cooper: "Speed is the absolute essence of any form of combat."^13.41 Bruce Lee's timing was devastating because "his own movements are so rhythmical they tend to establish complementary rhythm on the part of his opponent, a rhythm he can break to his own advantage because of his perfect control of his own muscles."^13.42 Rhythm established, then violated — the enemy is caught in the gap between expectation and reality.

The Ving Tsun maxim goes to the heart: Kuen Yau Sum Fot — "The punch comes from the heart."^13.43 Not from the shoulder, not from the hip. From the heart. From conviction. From the will that has already decided. This is not a metaphor. A blow delivered with total commitment transmits more force, arrives faster, and produces greater psychological shock than the same blow delivered with hesitation. The body follows the will. Half a will produces half a blow.

The spiritual dimension cannot be ignored: "A feeble or cowardly disposition in spiritual warfare will be detrimental to our success."^13.44 If we take seriously Paul's statement that in Christ we "live and move and have our being,"^13.45 then even in physical combat our absolute resolve must well up out of Christ's strength and sovereignty. Violence of action in the spiritual war is not rage. It is the fierce, unwavering commitment of a will that has been aligned with God's and refuses to yield. "Resist the devil, and he will flee from you."^13.46 He flees. But only from those who resist with violence of action — total commitment, no hesitation, no half-measures.

The Yoder-Hauerwas challenge reaches its sharpest point here.^13.47 If Christ's command is to turn the other cheek and love your enemies, then a principle demanding explosive violence stands in direct tension with the Sermon on the Mount. The pacifist argument is not merely strategic — it is ontological: violence corrupts the one who wields it, regardless of outcome.

The answer is not to deny the tension. The answer is to hold it. Christ turned the other cheek and He drove the money changers from the temple with a whip.^13.48 He submitted to the cross and He will return with a sword.^13.49 The question is not whether violence is ever appropriate — Scripture answers that. The question is under whose authority and for what purpose. Principle 3 (compelling reason) and Chapter 7 (justified conflict) provide the gating function. Violence of action without just cause is brutality. Violence of action under divine authority, in defense of the innocent, with right intention — that is the principle operating as designed.

The deeper logic beneath the phrase "violence of action" is this: act from sufficient cause and with undivided resolve. In every mode, wavering will kills effectiveness. Physical hesitation gets you destroyed. Verbal uncertainty concedes the frame. Spiritual division opens the door to compromise. The half-hearted prayer, the half-hearted argument, the half-hearted blow — all fail for the same reason. The body follows the will, and half a will produces half a result. The principle is not aggression. It is commitment — the settled resolve of a will that has decided and does not look back.

The Structure of the Principles

Two layers emerge from the eight. They are not a hierarchy — all are applications of P1. But they serve different functions, and recognizing the distinction protects against a common misreading.

The first five describe structural features of conflict itself — how wills collide, what shapes advantage, what governs efficiency:

P1: Maximize effective resources / minimize enemy's — the governing equation
P3: Enter conflict only for sufficient reason — the gating function
P4: Control the terms of contact — the spatial/relational variable
P5: No purposeless expenditure — the economy constraint
P6: Strike true vulnerability — the concentration principle

These are the most durable principles. They map cleanly onto long-standing strategic ideas — economy, maneuver, range, concentration, center of gravity — and are the hardest to argue against in any mode.

The remaining three describe the posture of the will — how the agent engages the conflict once it has begun:

P2: Seize and retain initiative — who holds the pen
P7: Do not remain merely reactive or defensive — offense as mode, not merely violence
P8: Act with sufficient reason and settled resolve — commitment of the whole will

These principles cluster around what the combatant does with his will. They are the most context-sensitive — not because they are less true, but because their application varies most dramatically across the three modes. Initiative in a marriage conversation looks nothing like initiative in a firefight. Offense in spiritual warfare looks nothing like offense on a battlefield. Yet the structural principle is the same: the will that merely absorbs the enemy's design will eventually be broken by it.

Sources and notes

Notes without an in-text marker are also retained from the draft.

13.1
Sun Tzu, The Art of War, Chapter III ("Attack by Stratagem"), trans. Lionel Giles. Available at Project Gutenberg: https://www.gutenberg.org/ebooks/132

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13.2
Jonathan Batteas, personal journal, "Overview of Principles" (2022-07-06). Context: "Tactics that demonstrate principles. These apply to hand-to-hand and army-to-army... They are not independent of one another, and they do not occupy exclusive spaces, nor are they meant to be applied individually, or linearly."

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13.3
Sun Tzu, The Art of War, Chapter VI ("Weak Points and Strong"), trans. Lionel Giles.

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13.4
Sun Tzu, The Art of War, Giles commentary on Chapter X, quoting Turenne. Available at Project Gutenberg.

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13.5
Jeff Cooper, Principles of Personal Defense, rev. ed. (Boulder, CO: Paladin Press, 2006), 15. ISBN 978-1-58160-494-4.

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13.6
Ernest Emerson, The Seven Strategies of Hand to Hand Combat: Surviving in the Arena of Life and Death (CreateSpace, 2015), 26(7). ISBN 978-1-5085-1647-5.

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13.7
Luke 4:13 (ESV).

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13.8
Frans P.B. Osinga, Science, Strategy and War: The Strategic Theory of John Boyd (London: Routledge, 2007). ISBN 978-0-415-37103-5. Osinga's treatment of Boyd's strategic theory is the most comprehensive academic analysis of OODA as a meta-framework.

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13.9
Proverbs 3:30 (ESV).

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13.10
Jonathan Batteas, personal journal, "Only Enter Into a Conflict that You Have a Compelling Reason to Engage In" (2022-07-06). Context: "Don't do anything for its own sake. Everything must have a purpose. If you do not believe in what you are fighting for, you are placing your own life and the lives of those around you in jeopardy."

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13.11
John Howard Yoder, The Politics of Jesus, 2nd ed. (Grand Rapids: Eerdmans, 1994). ISBN 0-8028-0734-8. Stanley Hauerwas, The Peaceable Kingdom (Notre Dame: University of Notre Dame Press, 1983). ISBN 0-268-01554-6.

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13.12
Thomas Aquinas, Summa Theologica, II-II, Q.40, Art. 1. Three conditions: authority of the sovereign, just cause, right intention. Available at New Advent: https://www.newadvent.org/summa/3040.htm

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13.13
Ecclesiastes 9:11-12 (ESV).

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13.14
Jonathan Batteas, personal journal, "Overview of Principles" (2022-07-06) and "Control Your Distance" (2022-07-06). Context: "All combat proficiency relies on distance effectiveness. Weapons are effective at different distances, and by taking advantage of your understanding of this, you can increase or decrease distance to minimize, or negate altogether, the effectiveness of particular weapons."

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13.15
Emerson, Seven Strategies, 26(9).

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13.16
Moy Yat and C.N. Kwong, Ving Tsun Kuen Kuit (Tallahassee, FL: 14 Publishing, 1982), 62.

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13.17
Jonathan Batteas, personal journal, "Range and Time" (2024-02-29). Context: "In military application, range and time are essentially the same thing, but they have some important distinctions... The only way for an entity with lower effective range to defeat an entity with a greater effective range is through exploitation of the OODA loop."

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13.18
1 Corinthians 6:18 (ESV).

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13.19
1 Corinthians 10:14 (ESV).

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13.20
Jonathan Batteas, personal journal, "Unified Combat Theory - No Wasted Motion" (2021-11-20). Context: "Economy of Motion — Everything you do must be direct, simple and quick. Efficiency of Action — Every technique has to work with as little complexity as possible... Never do anything that is useless and never do anything without a purpose."

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13.21
Emerson, Seven Strategies, 37, 40(3).

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13.22
Bruce Lee, Tao of Jeet Kune Do (Burbank, CA: Ohara Publications, 1975), loc. 38. ISBN 0-89750-048-2.

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13.23
Lee, Tao of Jeet Kune Do, loc. 26.

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13.24
Moy Yat and Kwong, Ving Tsun Kuen Kuit, 32.

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13.25
Rex Applegate, Kill or Get Killed (1943; repr. Boulder, CO: Paladin Press, 2007), loc. 30. ISBN 978-0-87364-084-4.

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13.26
B.H. Liddell Hart, Strategy, 2nd rev. ed. (New York: Meridian, 1991), 29. ISBN 978-0-452-01071-1.

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13.27
Martin van Creveld, Kenneth S. Brower, and Steven L. Canby, Air Power and Maneuver Warfare (Washington, D.C.: National Defense University Press, 1994), 21. ISBN 978-1-57906-015-7.

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13.28
Carl von Clausewitz, On War, trans. Col. J.J. Graham (London: N. Trübner, 1873), Book VIII, Chapter 4. Available at Project Gutenberg: https://www.gutenberg.org/ebooks/1946

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13.29
Applegate, Kill or Get Killed, loc. 26.

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13.30
Sun Tzu, The Art of War, Chapter V ("Energy"), trans. Lionel Giles.

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13.31
Sun Tzu, The Art of War, Chapter VI ("Weak Points and Strong"), trans. Lionel Giles.

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13.32
U.S. Department of the Army, FM 3-90-2: Reconnaissance, Security, and Tactical Enabling Tasks, Volume 2: Defense (Washington, D.C.: Headquarters, Department of the Army). The purpose of defense is to create conditions for counteroffensive.

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13.33
Emerson, Seven Strategies, 27.

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13.34
Moy Yat and Kwong, Ving Tsun Kuen Kuit, 40.

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13.35
Ephesians 6:10-18 (ESV).

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13.36
Matthew 4:4, 7, 10 (ESV). Jesus responds to each of Satan's three temptations with "It is written" followed by Scripture. The sword of the Spirit is the offensive weapon.

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13.37
Leo Tolstoy, War and Peace (1869), Second Epilogue. Trans. Richard Pevear and Larissa Volokhonsky (New York: Vintage, 2008). ISBN 978-1-4000-7998-8.

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13.38
Cooper, Principles of Personal Defense, 27.

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13.39
Cooper, Principles of Personal Defense, 10.

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13.40
Sun Tzu, The Art of War, Chapter XI ("The Nine Situations"), trans. Lionel Giles.

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13.41
Cooper, Principles of Personal Defense, 33.

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13.42
Lee, Tao of Jeet Kune Do, loc. 38.

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13.43
Moy Yat and Kwong, Ving Tsun Kuen Kuit, 44.

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13.44
Brian S. Borgman and Rob Ventura, Spiritual Warfare: A Biblical and Balanced Perspective (Grand Rapids: Reformation Heritage Books, 2014), loc. 21. ISBN 978-1-60178-288-5.

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13.45
Acts 17:28a (ESV).

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13.46
James 4:7 (ESV).

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13.47
Yoder, The Politics of Jesus, Chapter 12. Hauerwas, The Peaceable Kingdom, Chapter 4.

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13.48
John 2:15 (ESV): "And making a whip of cords, he drove them all out of the temple."

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13.49
Revelation 19:15 (ESV): "From his mouth comes a sharp sword with which to strike down the nations."

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13.50
The physics undergirding this is the Pauli exclusion principle: fermions — the fundamental matter particles (electrons, quarks, protons, neutrons) — cannot occupy the same quantum state simultaneously. At the macro scale, this means your fist occupying a given space physically excludes the enemy's attack from that space. The hand that hits also blocks because matter cannot interpenetrate matter. The martial arts principle is, at root, a consequence of quantum mechanics.

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Robert Greene, The 33 Strategies of War (New York: Viking, 2006). ISBN 978-0-670-03457-6.. Greene distills the principle: "The height of strategic wisdom is to avoid all conflicts and entanglements from which there are no realistic exits" (Part I). And again: "Fighting them head-on is generally foolish; fighting is what they are good at, and they are unscrupulous to boot" (Part V). The secular strategist arrives at the same gating function Proverbs 3:30 prescribes: not every battle is worth entering, and the wise combatant knows the difference.

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J.F.C. Fuller, The Foundations of the Science of War (London: Hutchinson, 1926), 24. (2022-07-06). "The greater part of our lives is spent in preparing for war in our lecture rooms, our studies, and on our training grounds." Combat begins before there is fighting — preparation is itself an application of Principle 3, because the man who has prepared encounters fewer conflicts he is compelled to enter unprepared.
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John Keegan, Intelligence in War: Knowledge of the Enemy from Napoleon to al-Qaeda (New York: Knopf, 2003), 303. ISBN 978-0-375-40053-3.

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Rex Applegate, Kill or Get Killed (1943; repr. Boulder, CO: Paladin Press, 2007), loc. 33. ISBN 978-0-87364-084-4. See also Jonathan Batteas, personal journal, "The Danger of Being Stunned" (2022-07-06). For a reassessment of how classical combat principles must be reframed for contemporary contexts, see Anthony D. McIvor, ed., Rethinking the Principles of War (Annapolis: Naval Institute Press, 2005). ISBN 978-1-59114-265-3. McIvor's collection argues that the principles are not obsolete but require reinterpretation — a position fully compatible with the natural-law thesis: the principles endure, but their tactical application must adapt. See also Niccolo Machiavelli, Art of War, trans. Christopher Lynch (Chicago: University of Chicago Press, 2003). ISBN 978-0-226-50046-1. Machiavelli's Renaissance treatment bridges ancient strategy and modern military thought, connecting how republics fight vs. how princes fight.

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Gavin de Becker, The Gift of Fear: Survival Signals That Protect Us from Violence (New York: Little, Brown, 1997). ISBN 978-0-316-23502-0.. De Becker identifies "pre-incident indicators" as "those detectable factors that occur before the outcome being predicted" (Chapter 2) — the civilian equivalent of the combat profiler's baseline-and-anomaly detection. His entire methodology depends on distance: recognizing threat signals early enough that the defender can act before the attacker closes to effective range. The principle is identical whether the domain is personal safety or spiritual warfare — early detection is distance management by another name.

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