Kill Bill Expectations vs. Real Budō
A few mates—firm believers in Kill Bill physics—recently asked me to demonstrate the sharpness of my Japanese sword. So I drew an envelope lightly along the blade.
It didn’t slice.
It nicked, then quietly slid away.
At first, mild disappointment. But quickly, something far more critical emerged. The sword had behaved perfectly. What failed was only the expectation.
The blade is not the master.
The swordsman must be.
⎯⎯⎯⎯⚔⎯⎯⎯⎯
🎬 What Films Suggest (But Budō Rejects)
Films tell us:
• Swords cut anything
• Gravity alone makes a cut
• The blade does the work
• Mastery is instant
• Speed = skill
But cinema is theatre. True budō is not theatre — it is discipline, breath, precision and physics made real through repetition.

🧭 What Budō Requires
Reality demands something very different:
• Angle, tension and timing
• Sliding “draw cut” rather than a chop
• Breath and body alignment
• Resistance in the target
• Thousands of hours of training
That is why we never drop objects onto blades in tameshigiri. Tatami is held under tension so the blade can enter. Without resistance, there is no cut — only contact.
Cutting is not proof of sharpness.
It is proof of alignment.

🧪 Why the Envelope Survived — The Physics.
A blade is not magical. It obeys physics. And physics always demands conditions.
• Momentum (needs speed + mass)
• Pressure (needs force focused on a small area)
• Shear force (must exceed material resistance)

Here’s how physics explains what happened:
Momentum:
p=m×v
Small mass + slow motion = almost no momentum → no cut.

Pressure (force over area):
P=A/F​
Light contact spreads force → low pressure → fibres remain intact.

Shear force must exceed resistance:
F shear​>F material resistance
​
The envelope flexed away from the edge → no resistance → nothing to cut into.
Real sword technique uses a draw cut, adding horizontal motion:
F effective​=F downward​+(m×vdraw​)
This is why real cutting feels quiet — the physics aligns rather than collides.
⎯⎯⎯⎯⚔⎯⎯⎯⎯
Simple truth:
• Low momentum = no power
• Low tension = no cut
• Technique aligns force
• That is why training takes years

🏗️ Why Real Blades Aren’t Razor-SharpIf a sword were sharp enough to cut floating paper, it would be too brittle to survive combat. A living blade must balance:
• Hardness — to maintain an edge
• Toughness — to survive shock & bone
Japanese swordsmiths solved this with differential tempering — a hard edge and a softer spine — so the blade could flex rather than break.
A razor cuts paper.
A sword must survive bone.
A blade is only as strong as the body that wields it.

🧘 Technique: Why It Costs YearsThe first time I cut tatami, I assumed power mattered. It didn’t. The cut failed. So my teacher had me practise footwork—for months. Only when the body learned stillness did the blade begin to work.
That is budō:
• Breath before strength
• Balance before power
• Posture before speed
Anyone can hold steel.
Few move in harmony with it.
Technique is not a trick — it is knowledge carried in the body.
⎯⎯⎯⎯⚔⎯⎯⎯⎯
⚠️ Can You Grab a Sword With Your Hand?
Cinema says instant loss of fingers. Reality says “it depends.”
A static sword can sometimes be grabbed by the flat side, perhaps with minor cuts. The edge is dangerous — but only if force is applied with the correct shearing angle.
Physics again explains it:
[F_{\text{shear}} > F_{\text{tissue resistance}} \Rightarrow \text{cut}]
No shearing force = no cutting.
But if the blade is moving with speed — injuries will occur.
Some kata even use controlled blade contact on the mune (back of the sword), but this is never casual — never cinematic. Only possible through precision and timing.
Budō teaches risk — never recklessness.

🧭 The Real Question
So the question was never:
“Why didn’t the sword cut the envelope?”
The true question is:
“Why did we ever assume it would?”
The sword obeys physics.
The swordsman must first learn to.
That is budō. That is training.
And in that quiet truth — cinema finally steps aside.

🌸 日本語の要約（Japanese Summary）
映画では刀が何でも切れるように描かれますが、現実の武道では「刀が切る」のではなく、**「技を身につけた人間が切る」**のです。封筒が切れなかった理由は、切るために必要な条件――角度・速度・張力・意図――が揃っていなかったからです。
さらに、紙を落とすだけで切れるほど鋭い刃では、実戦では脆すぎて役に立ちません。日本刀は骨や衝撃にも耐えるため、「硬さ」と「粘り強さ」の両方を持つ構造になっています。
「素手で刀を掴めば必ず指を失う」とは限りませんが、動いている刃を無防備に掴めば大きな怪我につながります。武道とは、無謀ではなく正確な判断と身体理解を求めるものです。
真に切るのは刀ではなく、
刀を通して鍛えられた人間である。
それこそが武道の核心であり、静かに受け継がれてきた真実です。

🕯️ Final Reflection
A sword does not demand belief.
It quietly waits for understanding.
Technique begins
where spectacle ends.
⎯⎯⎯⎯⚔⎯⎯⎯⎯

For Teresa, whom I only understood through a rear-view mirror.
​
My understanding of autism did not begin in professional development or university reading. It started in real schools — living, breathing schools — where students’ minds moved in ways I had not been trained to interpret.

I had the privilege of serving as principal of several secondary schools in Japan, where I also taught History and oversaw curriculum design. In that environment, I encountered students whose ways of perceiving and processing the world were different — often quieter, sometimes more precise, frequently more intense. At first, I could not read these traits clearly. Years later, I understand that those students shaped me as an educator, a leader, and a thinker.

A Paradigm Shift
A key influence on my thinking was a male SEN colleague who once said to me:
“Autistic students are not necessarily struggling — many are thinking deeply. Often, we are the ones moving too quickly to meet them.”
He challenged me to stop “fixing” learners and instead learn how they were thinking. That conversation altered my practice — and, more importantly, my assumptions.
He also suggested something that felt almost radical at the time:
“If you approach it properly, autism can operate as a cognitive superpower — particularly in history, analysis, ethics, problem detection and deep research.”
It was not a romantic claim. It was a professional observation — and in time, research would confirm it.

What Practice Revealed — Before I Had the Vocabulary
Long before I knew the theory, I observed patterns across different classrooms:

• intense focus
• powerful recall of detail
• low tolerance for superficial explanations
• discomfort with ambiguity
• a preference for logic over social convention

At first, I saw them merely as “habits”. Later, I realised they were forms of cognition. And when I adjusted structures rather than students, learning improved for everyone.

Eventually, formal terminology caught up with what practice had already shown me:
🔍 Monotropism — Focus as Strength
The ability to hold a single idea intensely. In chaotic spaces, this can be overwhelming — but in research, source analysis or chronology work, it becomes a genuine asset.
🌐 Weak Central Coherence — Detail Before Big Picture
Some students notice inconsistencies quicker than teachers do. They often require the “big picture” to be made explicit — but once given, it unlocks high-level thinking.
🧠 Pattern Recognition — Problem Identification
Not just problem-solving, but early detection of problems — before most people see them. A valuable skill in history, coding, economics and policy.
🤝 The Double Empathy Gap
Miscommunication is often relational, not one-way. When I changed my communication style, clarity increased significantly. The gap shrank.
These traits do not suggest a deficit.
They suggest difference — and often, potential.
But potential requires design, not pity.
It requires:

• clearer instructions
• predictable structures
• reduction of noise and clutter
• space for deep work
• respect for preferred modes of expression

If I had judged these learners solely by social standards, I would have missed their intellectual strengths entirely.

Years before I had vocabulary, practice was already teaching me. It still is.

Ireland — Promise and Tension
When I later moved to Ireland, I was encouraged by the SEN language used in schools: professional, respectful, and grounded in care. Linguistically, inclusion is taken seriously.
Yet a structural tension remains.

What the Exam System Often Misses
Many autistic students do not struggle with learning — they struggle with speed, volume, auditory overload, and the pressure of verbal recall under time constraints. In short, they struggle with the format, not the content.

High-stakes exams often reward fluency over clarity, speed over precision, and verbal expression over analytical depth. In some cases, this disadvantages precisely the students who are capable of higher-level thought.

Our fastest learners are not always our deepest thinkers.
Some of our deepest thinkers may never appear fast in a verbal exam.
The issue is not intelligence — it is assessment design.

The Real Risk
Research suggests that roughly 2–3% of students may be autistic learners with high academic potential. These are precisely the minds who may enrich engineering, policy, science, economics and innovation. Yet they may go unnoticed — not because of inability — but because education sometimes measures the wrong qualities.
This is not an appeal for lower standards.
It is an appeal for refined standards.

What Leadership Can Do — Without System Reform🧭 Observe Function, not Diagnosis
Watch how the student responds to transitions, sensory load and ambiguity — not only to worksheets.
🧩 Make Context Explicit
If weak central coherence is present, frame the big picture visually or sequentially before analysing parts.
📝 Vary Output Modes - Allow timelines, annotation, mapping or visual reasoning—not just verbal responses.
🔕 Protect Cognitive Energy - Reduce visual noise and unnecessary sensory load. Create conditions for clarity to emerge.
🤝 Honour the Double Empathy Gap - Change how we communicate before assuming disengagement. Often, the response is startlingly clear.

These are not remedial techniques.
They are forms of sophisticated pedagogy.

Conclusion — Inclusion and Innovation
Autistic students did not make my work harder. They made it more human. They made history sharper, leadership more reflective, and education more real.
They were not problems to solve.
They were potentials waiting for structure.
If Ireland is serious about building a knowledge economy, it must recognise that:

• depth does not always move quickly
• clarity does not always arrive verbally
• some brilliant minds simply need structured doorways — not lower expectations

Inclusion is not about weakening the bar.
It is about reducing noise so the clearest minds can be heard.

I remain deeply grateful to the students — in Canada, Japan and Ireland — who taught me to see the world more intensely, and with greater respect, than before.

🧠 教育と自閉スペクトラム：日本とアイルランドの経験（要約）私は日本の高校で校長・歴史教師として働いた経験を通して、自閉スペクトラム（ASD）の生徒たちから多くの学びを得ました。彼らは「問題」ではなく、むしろ深い集中力と鋭い視点を持っていることに気づかされました。

特にSENの同僚からの言葉に影響を受けました：
「彼らが理解できないのではなく、こちらがもっと明確に伝える必要があるだけです。むしろ私たちより深く考えていることがあるのです。」
研究もこれを裏付けています。

モノトロピズム・弱い中心性・ダブルエンパシーギャップなどは「欠如」ではなく、思考の特徴であり、学びの環境を整えれば力に変わります。

アイルランドではSENの理念は強く感じますが、高い言語負荷と時間制限がある試験形式では、ASDの生徒の強みが発揮されにくい可能性があります。
教育の目的は全員を同じ形に揃えることではなく、それぞれの思考の形が生きる空間を設計することです。

日本でもアイルランドでも、その考え方を大切にしながら教えていきたいと思っています。

The False Soul of Budō: Ilyenkov, Jacobs, and the Myth of Moral Transformation
Dedicated to all who journey toward—and help to form—the soul of budō
“One is not born a person but becomes one.” — Evald Ilyenkov (in Jacobs, 2024, p. 4)
Across the global martial arts community—from the dōjō of the Japan Karate Association to the worldwide branches of Aikikai—one promise unites otherwise divided organisations: training will make you a better person. Promotional brochures speak of “character,” “discipline,” and “respect” as natural consequences of practice. Yet such rhetoric, however well-intentioned, has long since ossified into ideology. The ethical claim of budō has been reduced to a consumer guarantee, a marketing slogan assuring parents that violence will ennoble their children. What remains is a mask of morality, not its substance.
Masks and Faces
Isabel Jacobs’ essay On the Soul: Ilyenkov’s Theory of Personality (2024) offers a remarkable lens through which to re-examine this moral mythology. Drawing on the Soviet philosopher Evald Ilyenkov, she reminds us that “a person is not born with inherent qualities; their body and mind are formed through experience and social activity” (p. 1). In Ilyenkov’s dialectical anthropology, personality (lichnost’) is not a private moral kernel but a social creation--“a knot of relations that arise between individuals in collective activity” (p. 4). An ethical being is therefore never an inner possession; it is a mode of participation. By that measure, the idea that budō can individually bestow Virtue is an illusion. A karateka does not “become good” through repetition of kata any more than a bureaucrat becomes just by memorising a code of conduct.

Ilyenkov’s image of the mask (persona) and face (litso) is particularly apt. “And it also happens that the mask becomes so firmly affixed,” he wrote, “that [one’s] former personality slowly atrophies from disuse” (p. 1). The modern martial arts world is filled with such masks—ritual bows, moral slogans, the façade of humility—beneath which lie ordinary rivalries and commercial ambition. The tragedy is not hypocrisy per se but alienation: when gestures meant to express ethical life harden into empty performance, the face of practice disappears. What survives is the moral costume of budō.

The Soul of the Dōjō
Contrast this with the ethical seriousness of the ancients whom modern budō so readily invokes. Confucius warned, “To see what is right and not do it is want of courage” (Analects 2:24). Virtue (ren) was never politeness or docility; it was courageous moral discernment enacted through right relationship. Likewise, Takuan Sōhō, in The Unfettered Mind, cautioned the swordsman that “the mind must not be fixed anywhere”—ethical freedom being inseparable from mental clarity. Both thinkers understood self-cultivation as ceaseless labour, the ongoing negotiation between impulse and reason, self and other. By comparison, the modern dōjō’s moral instruction—“be respectful,” “show spirit”—appears thin, procedural, and essentially detached from reflection on what goodness entails.

Jacobs’ discussion of Ilyenkov’s concept of the soul illuminates why this hollowness matters. “The soul,” she notes, “is located not inside an individual body, but precisely outside it—in the system of real relationships … binding them as if into one body” (p. 6). The true “soul” of budō, then, is not hidden in the heart of the lone practitioner but emerges in the relational field of training: senpai and kōhai, teacher and student, attacker and receiver, all joined in the dialectic of embodied trust. Yet under capitalist conditions, that collective soul is commodified. The dōjō becomes a service provider; the practitioner, a consumer of Virtue. In Ilyenkov’s terms, this is pseudomaterialism—a mechanical imitation of ethical practice divorced from the labour of mutual recognition.

Hands, Labour, and Phronesis
For Ilyenkov, thinking and becoming are hand-work. “It is not the brain that thinks,” he writes, “but an individual entwined in a net of social relations, always mediated by material objects” (p. 13). In this light, kata and kumite—understood here not as competitive sparring but as any moment of training with another, any time two hands meet—are not moral rituals in themselves; they are opportunities for phronesis—the practical wisdom Aristotle described as the capacity “to decide what to do in light of what there is most reason to do” (Nicomachean Ethics VI.5). The bow, the strike, the parry, the shared rhythm of breath and timing—all are ethical materials through which reason can take form, but only if the practitioner engages them consciously and collectively. Without that dialogue, movement decays into etiquette, and etiquette into spectacle.

Toward the Soul of Budō
The ethical promise of budō has never been about moral elevation but about encounter—an unending practice through which one meets both the world and the self without illusion. Read through Jacobs’ Ilyenkov, this practice becomes a kind of phronesis: the lived, practical wisdom that arises only in relation, through the collective shaping of body, mind, and circumstance. Moral growth in martial arts is neither automatic nor inward—it is dialectical, a social and material creation born of struggle, reflection, and care. To practise budō ethically is to work, hand and mind together, within a community of others striving toward what Confucius called yi—rightness of action, not righteousness of appearance.

Budō will not make us better people on its own. But practised as the collective labour of recognition—as an art of relation rather than a commodity of Virtue—it may still teach us to see, in Ilyenkov’s words, “through the eyes of another person, through the eyes of all other people” (Jacobs, 2024, p. 14). Only there, in that mutual gaze, does the true face of budō appear.

Postscript
This idea has been germinating in my mind since my budō teacher, Miyase-sensei, first planted it there over fifteen years ago. Sensei is gone, yet I continue to learn from the kindness he embodied and from his unwavering commitment to excellence. What he taught through presence, patience, and precision remains a living reminder that the soul of budō is formed not in words, but in the quiet discipline of care.

References

• Aristotle (2011), Nicomachean Ethics. London: University of Chicago Press.
• Confucius (2017). The Analects, trans. Edward Slingerland. Indianapolis: Hackett.
• Jacobs, I. (2024). On the Soul: Ilyenkov’s Theory of Personality. Berlin: Brill.
• Takuan Sōhō (1986) The Unfettered Mind, trans. William Scott Wilson. Tokyo: Kodansha.

日本語要約（要旨）本稿は、イリェンコフ（Evald Ilyenkov）の人格論をイザベル・ジェイコブズ（Isabel Jacobs, 2024）の解釈を通して再読し、「武道を学べば人間的に成長できる」という現代武道の道徳的神話を批判的に検討するものである。
多くの武道団体や道場は、稽古によって「良い人間」になれると主張する。しかし、著者はそれを理念的・商業的なスローガンに過ぎないとみなし、倫理的実践の空洞化を指摘する。イリェンコフによれば、人間の人格（личность）は生まれつき備わるものではなく、社会的活動のなかで形成される「関係の結び目（knot）」である。したがって、徳や人格は個人の内面にあるのではなく、他者との共同的な行為を通して生まれるものである。
この観点からすれば、武道の本質的な修行とは、孤立した自己鍛錬ではなく、関係的・社会的な実践である。型（kata）や組手（kumite）は、競技的な技術ではなく、二人の身体と心が交わる瞬間、つまり「二つの手が出会う」場として理解されるべきである。そこにおいて初めて、アリストテレスが説いた実践的知（phronesis）——状況に応じて最も妥当な行為を判断する知恵——が生まれる。
また、孔子の「義（yi）」や沢庵宗彭の「心はどこにも止まってはならぬ」という教えを引用しつつ、著者は古代思想における道徳的修養の深さを現代武道の表層的な「礼節」教育と対比する。真の「武道の魂」は、個人の内面に宿るのではなく、師弟・先輩後輩・稽古相手など、他者との関係性のなかで形づくられる「共同的思考の身体」であると結論づける。
本稿は、武道を「より良い人間になる手段」としてではなく、人間と人間が共に人格を形成し合う社会的・倫理的な営みとして再評価するよう呼びかける。著者は、武道が「他者の眼を通して世界を見る」力を与えるときにこそ、その真の顔—--the true face of budō——が現れると説く。