修行会

解説

第十首のこのページは、詩句「あるとあれ／太刀習って／何かせん／唯一筋に／思ひ切るべし」を、稽古の「取得」から「決断」への転回として提示している――批判的口語訳にすれば「何がどうあろうと、太刀（剣） を学んだ今、この先どうする？　ごちゃごちゃ言わずただ一本に覚悟を決めろ」となる。ここで「あるとあれ」は古語の「ありとある＝すべての／どれであれ」に通じ、「太刀」は片刃の長大な刀剣を指し、「思ひ切る」は文脈上「あきらめる」ではなく「決心・覚悟する」の義が要。さらに「唯一筋」は「ただひとすじ」への収斂で、語感としては「一筋」「只管（ひたすら）」に重なる。以上を踏まえると、本ページの英題 「What Would You Yet Do?」は、学んだあとに残るのは「何をやるかを一本に決めることだ」という叱咤として読める。

植芝盛平の六つのプライマーと第九首の流れを受けるなら、ここでの「唯一筋に思ひ切るべし」は、宇宙的原理や顕幽の往還・和合美化・日々の修業・「至愛」への一致という骨組みをいま実行へ落とすための最終スイッチだ――迷いや寄り道を断って、身口意のベクトルを一本化せよ、というわけだ。つまりこのページは、「学び（太刀を習う）」を終点ではなく出発点に置き直し、「状況がどうであれ（あるとあれ）」単一の志で進むことを要請する。合気の実践に引き寄せれば、技の選択や稽古の姿勢・対人の向き合い方を、ただ一つの基準に合わせて決め切るという作法の確認になる――「それで、あなたは何をやるの？」と、いま自分に問い返すページだ。

口語要約のひとこと

「習ったなら、もう迷わず一本に腹決めて進もう。」

和歌的技法補遺――問いから覚悟へ

この歌でまず見落としやすいのは、表面の訓戒性の下で、五七五七七の定型がかなり強く働いている点である。現代表記の「太刀習って」は六音ほどに縮むが、語構成を開いて「太刀を習ひて」と読めば、あるとあれ／太刀を習ひて／何かせむ／ただ一筋に／思ひ切るべし、という五七五七七の骨格がきれいに立ち上がる。つまりこの歌は、口伝・道歌らしい荒い実用性を保ちながら、内側では和歌の音数律へ戻ろうとする。稽古の場で唱えられる言葉でありながら、ただの標語ではなく、短歌の器に収められた命令として響くのである。

また、上句全体は厳密な古典的「序詞」とまでは言い切れないが、働きとしてはきわめて序詞的である。「あるとあれ」「太刀を習ひて」「何かせむ」は、それ自体で状況・履修・疑問を積み上げながら、下句の「唯一筋に思ひ切るべし」を導き出す前置きになっている。ここでは景物を置いて本意へ滑らせる古今的な序詞ではなく、稽古の事実を置いて覚悟へ滑らせる道歌的な序詞が働く。言い換えれば、上句は「太刀を学んだ」という外側の修業をいったん提示し、その効用を「何かせん」と空にしてから、下句で内側の決断へ折り返す仕掛けである。

この折り返しを支えているのが、反語と問答法である。「何かせん」は本当に答えを求めているのではなく、「それだけで何になろうか」という反語として、学習・技術・所有をいったん無効化する。したがって下句は、その問いへの答えであり、同時に命令である。「何をするのか」と問われた直後に、「唯一筋に思ひ切るべし」と返されるため、歌全体が小さな問答になる。師が弟子に問う形を取りながら、実際には聞き手自身の内側で問いと答えが起こるように作られている。

縁語の働きも、掛詞以上に広く見てよい。「太刀」は当然ながら武具の語であり、「切る」はその動作を呼び込む語であるが、そこへ「一筋」が加わることで、単なる「一本道」だけでなく、「太刀筋」「切り筋」のような身体的な線も連想される。太刀、筋、切る、断つ――これらの語は同じ意味圏に属し、歌の中で互いに呼び合っている。そのため「唯一筋」は抽象的な信念であると同時に、剣の軌道、身体の中心線、稽古の通り道としても読める。ここに、武術語彙を精神語彙へ転じる縁語の網が張られている。

この点で、見立ても重要である。太刀の稽古は単に剣術の習得として置かれているのではなく、心の迷いを切るための比喩的な装置に見立てられている。刀で相手を斬ることではなく、思いを切ること、迷いを断つこと、進む道を一本にすることが主題になる。外的な武器の操作が、内的な決断の操作へ転写されるのである。だからこの歌の「太刀」は、武具であると同時に、識別・決断・捨離の象徴でもある。

さらに、対照法としては、「あるとあれ」と「唯一筋に」の対置が強い。初句の「あるとあれ」は、事情がどうであれ、可能性がいくつあれ、という多の広がりを開く。これに対して「唯一筋に」は、その広がりを一本へ絞る語である。上句が「多・状況・習得・問い」を開き、下句が「一・決断・実行・命令」へ収束させる。歌の運動は、知識を増やす方向ではなく、余分な枝を落として中心線を立てる方向へ進む。

省略法も効いている。主語は明示されず、「誰が」思ひ切るのかは書かれていない。そのため、命令の宛先は特定の弟子にも、稽古者一般にも、読者自身にも開かれる。また「太刀習って」のような助詞の省略は、語りを短く締め、稽古場の口調に近づける。文法的に丁寧に展開すれば「太刀を習ひて、何をかせむ」とも言えるが、あえて詰めることで、道歌らしい即応性と叱咤の鋭さが出る。

語調の面では、文語と口語の重なりも見逃せない。「あるとあれ」「何かせん」「べし」は古語的・訓戒的である一方、「習って」という形は現代語的な口触りを残す。これにより、歌は古典和歌の衣をまといながら、稽古の現場でそのまま言える言葉にもなっている。古雅に閉じず、実践へ開く。この文語口語の混交が、植芝盛平の道歌らしい生きた調子を生んでいる。

なお、歌枕・枕詞・体言止めのような古典和歌の名高い装置は、この一首では前面に出ていない。特定の地名や伝統的景物によって情趣を呼ぶ歌ではなく、また名詞で余韻を残す終わり方でもない。むしろ終止は「べし」によって強く閉じられ、余情よりも実行を迫る。つまりこの歌の詩法は、優美な景物の連想よりも、反語・省略・縁語・見立て・対照によって、稽古者の心を一点へ絞り込むところにある。道歌としての効き目は、まさにそこにある。

発話行為理論

オースティン（Austin, 1968）の発話行為理論（Speech Act Theory）の枠で眺めると、この道歌は発話行為（locutionary／ロキューション）の層で、放任・譲歩の「あるとあれ」と、取得としての「太刀習って」を並べ、第三句「何かせん」で効用の問いを切り出す。上句—下句の折り（おり）によって、「あるとあれ／太刀習って」は「唯一筋に」へ折り畳まれ、広がり（状況・履修）が収斂（一本道）へ変換される。さらに太刀は、音価の同一性から断ちへ滑りうる掛詞となり、下句「思ひ切る」の切るへ接続して、語そのものが「切断」を内包する。

発話内行為（illocutionary／イルロキューション）の力点は、叙述ではなく促しとして立ち上がる点にある。「何かせん」は情報要求ではなく、稽古の目的を問う挑戦の形式を取り、句切れ（切れ）によって上句の猶予を切断する。下句「唯一筋に思ひ切るべし」は、べしの規範性により指令へと確定し、折り②（何かせん⇄思ひ切るべし）で問いが決断へ反転する。結果として、発話の“力”が内容を上回り、言われたこと以上のことが“なされる”。

発話媒介行為（perlocutionary／ペルロキューション）の帰結として期待されるのは、迷いの切断と、稽古の基準の一本化である。問いの直後に置かれた切れが心理的な中断として作用し、その空白へ「思ひ切るべし」が落ちることで、態度が締まり、選択が減る。太刀／断ち・切るの掛詞は、理解に伴って内的な「切断」を誘発し、武器術の比喩が決断の操作へそのまま転写される——この転写が、この歌の効き目としての発話媒介行為になる。

コーダ

この第十首が最後に残すものは、技術の否定ではなく、技術を越えてなお残る問いである。太刀を習うことは無駄ではない。しかし、それが「自分は学んだ」という所有にとどまるなら、歌はすぐに「何かせん」と切り返す。学びは蓄積された時点で完成するのではなく、決断へ転じたときにはじめて稽古となる。だから「唯一筋に思ひ切るべし」は、知識を捨てよという命令ではない。むしろ、学んだものすべてを一本の生きた線へ通せ、という命令である。

その一本の線は、太刀筋であり、身体の中心線であり、心の向かう道でもある。状況がいくつに分かれ、技がいくつに増え、言葉がいくつに積まれても、実際に人と向き合う瞬間には、選ぶべき線は一本しかない。そこで問われるのは、何を知っているかではなく、何に身を預けるかである。この歌の切れは、説明を終わらせる切れであると同時に、稽古者を実行へ押し出す切れでもある。余韻は静かな余情ではなく、「もう決めよ」という身体的な響きとして残る。

したがって、この道歌の終点は解釈ではない。読まれ、解かれ、語られたあとで、歌はふたたび稽古場へ戻る。太刀は手の中にあるだけでは足りず、言葉は口の中にあるだけでは足りず、志は胸の中にあるだけでは足りない。すべては一筋に通され、いまここで行われなければならない。第十首はその一点で閉じる――「それで、あなたは何をやるのか」と。

English Translation

Commentary

This page on the tenth poem presents the verse, “aru to are, tachi naratte, nani ka sen—tada hitosuji ni, omohi kiru beshi,” as a turn in training from “acquisition” to “decision.” Rendered into a critical colloquial English, it would read: “Whatever the circumstances may be, now that you have learned the sword, what are you going to do next? Stop fussing and resolve yourself to one single path.” Here, “aru to are (あるとあれ) ” connects to the classical phrase “ari to aru (ありとある),” meaning “all,” “every,” or “whatever there may be”; tachi (太刀) refers to a long, single-edged sword; and omohi kiru (思ひ切る), in this context, does not mean “to give up,” but rather “to make up one’s mind,” “to resolve oneself,” or “to commit.” Furthermore, 唯一筋 converges toward tada hitosuji, “one single line/path,” and in nuance overlaps with 一筋 (hitosuji; ひたすら) and 只管 (hitasura; ひたすら), “single-mindedly,” “wholeheartedly.” Taking all this into account, the English title of this page, “What Would You Yet Do?”, can be read as an exhortation: after all your learning, what remains is to decide, in one line, what you will actually do.

If we read this in light of Morihei Ueshiba’s Six Primers and the movement of the ninth poem, then “hitosuji ni, omohi kiru beshi” becomes the final switch that brings the whole framework—Bu as Cosmic Principle, the passage between the manifest and the hidden, harmonizing and beautifying, daily discipline, and unity with “supreme love”—down into actual execution. In other words: cut off hesitation and detours, and unify the vector of body, speech, and mind into a single line. This page therefore repositions “learning,” that is, “learning the sword,” not as the endpoint but as the starting point, and demands that one proceed with a single intent, “whatever the circumstances may be.” Drawn into the practice of aiki, it becomes a confirmation of the proper manner of deciding one’s choice of technique, one’s attitude in training, and one’s way of facing another person according to just one standard. It is a page that turns the question back on oneself: “So, what are you going to do?”

A One-Sentence Colloquial Summary

“Now that you’ve learned it, stop wavering—set your belly on one path and move forward.”

Supplement on waka technique: From question to resolve

What is easy to overlook in this poem is that beneath its surface admonitory quality, the fixed 5-7-5-7-7 form is working quite strongly. In modern notation, tachi naratte (太刀習って) compresses to roughly six sounds, but if we open up the grammatical structure and read it as tachi o narahite (太刀を習ひて), the skeleton of the poem emerges cleanly: aru to are, tachi o narahite, nani ka sen—tada hitosuji ni, omohi kiru beshi. In other words, while the poem retains the rough practicality characteristic of oral transmission and dōka, “songs of the way,” it is internally trying to return to the syllabic discipline of waka. Although these are words that could be recited in the training hall, they do not sound like a mere slogan; they resound as a command contained within the vessel of tanka.

Moreover, the entire upper phrase cannot quite be called a strictly classical joshi (序詞), or prefatory phrase, yet in function it is extremely close to one. Aru to are, tachi o narahite, and nani ka sen accumulate situation, accomplishment, and question in sequence, becoming the prelude that draws out the lower phrase, tada hitosuji ni, omohi kiru beshi (唯一筋に思ひ切るべし). What operates here is not a Kokin-style prefatory phrase that places a scenic image and then slides toward the poem’s true intent, but a dōka-like prefatory movement that places the fact of training and then slides toward resolve. Put differently, the upper phrase first presents the external discipline of “having learned the sword,” then empties out its usefulness with nani ka sen (何かせん), “what good will that do?”, before turning back in the lower phrase toward an inner decision.

What supports this turn is rhetorical questioning and the question-and-answer form. Nani ka sen is not genuinely asking for information. As a rhetorical question meaning “what good would that be by itself?”, it temporarily invalidates learning, technique, and possession. The lower phrase is therefore both the answer to that question and, at the same time, a command. Immediately after the question “What will you do?”, the answer comes: tada hitosuji ni, omohi kiru beshi, “You must resolve yourself to one single path.” The poem as a whole thus becomes a small dialogue. It takes the form of a teacher questioning a disciple, yet in truth it is constructed so that the question and the answer arise inside the listener.

The operation of engo (縁語), associated words, may also be understood more broadly than that of mere kakekotoba (掛詞), or pivot words. tachi (太刀) is of course a word from the sphere of weapons, and kiru (切る), “to cut,” calls forth the action of that weapon. But when hitosuji (一筋), “one line/path,” is added, it evokes not only a single road but also bodily lines such as tachi suji (太刀筋), the line of the sword, or kiru suji (切り筋), the line of the cut. Sword, line, cut, severance: these words belong to the same semantic field and call to one another within the poem. For this reason, hitosuji (唯一筋) can be read not only as an abstract conviction but also as the trajectory of the sword, the body’s centerline, and the path of training. Here, a web of associated words is stretched across the poem, turning martial vocabulary into spiritual vocabulary.

In this respect, mitate (見立て), figurative transposition, is also important. Training in the sword is not placed here simply as the acquisition of swordsmanship; it is figured as a device for cutting through the mind’s hesitation. The theme is not cutting down an opponent with a blade, but cutting one’s thought, severing hesitation, and making the path ahead into a single line. The operation of an external weapon is transposed into the operation of inner decision. Thus the tachi in this poem is at once a weapon and a symbol of discernment, resolve, and letting go.

As a mode of contrast, the opposition between aru to are and tada hitosuji ni is especially strong. The opening phrase “aru to are” opens out into multiplicity: whatever the circumstances may be, however many possibilities there may be. Against this, tada hitosuji ni narrows that spread into a single line. The upper phrase opens “many, circumstance, acquisition, question,” while the lower phrase converges into “one, decision, execution, command.” The movement of the poem does not proceed toward increasing knowledge; it proceeds toward pruning away unnecessary branches and establishing a centerline.

Ellipsis is also at work. The subject is not stated, and the poem does not specify “who” is to resolve themselves. As a result, the addressee of the command remains open: it may be a particular disciple, practitioners in general, or the reader themselves. The omission of particles, as in tachi naratte (太刀習って), also tightens the utterance and brings it closer to the speech of the training hall. Grammatically, it could be developed more fully as tachi o narahite, nani ka sen (太刀を習ひて、何をかせむ), but by deliberately compressing it, the poem gains the immediacy and sharp exhortatory force characteristic of dōka.

In terms of tone, the overlap between literary and colloquial language should not be missed. Aru to are, nani ka sen, and -beshi are classical and admonitory, while naratte (習って) retains a modern colloquial feel. Because of this, the poem wears the garment of classical waka while also remaining something one could say directly in the training hall. It does not close itself off in archaic elegance; it opens toward practice. This mixture of literary and colloquial diction produces the living cadence so characteristic of Morihei Ueshiba’s dōka.

It should also be noted that famous devices of classical waka such as utamakura (歌枕), makurakotoba (枕詞), and taigendome (体言止め) do not come to the foreground in this poem. It is not a poem that summons atmosphere through a specific place name or traditional scenic image, nor does it end on a noun in order to leave lingering resonance. Rather, the ending is strongly closed by –beshi, pressing not for afterglow but for execution. In other words, the poetics of this poem lies not in elegant associations of landscape, but in rhetorical questioning, ellipsis, associated words, figurative transposition, and contrast—all of which narrow the practitioner’s mind to a single point. Its effectiveness as dōka lies precisely there.

Speech Act Theory

Viewed within the framework of Austin’s Speech Act Theory (1962), this dōka, at the level of the locutionary act, places side by side the permissive or concessive aru to are (あるとあれ), “whatever may be,” and tachi naratte (太刀習って), “having learned the sword,” as an act of acquisition, before cutting into the question of utility in the third phrase, nani ka sen (何かせん), “what will that do?” Through the fold between upper phrase and lower phrase, aru to are, tachi naratte is folded into tada hitosuji ni (唯一筋に), transforming breadth—circumstance and learning—into convergence, the single road. Furthermore, tachi (太刀), “sword,” can slide by phonetic identity toward 断ち, “cutting off,” as a pivot word, linking into the kiru (切る) of the lower phrase omohi kiru (思ひ切る), so that the word itself contains “cutting.”

The force of the illocutionary act arises in the fact that the poem is not primarily a description but a prompting. Nani ka sen is not a request for information; it takes the form of a challenge that asks after the purpose of training, and through the caesural cut it severs the reprieve granted by the upper phrase. The lower phrase, tada hitosuji ni, omohi kiru beshi (唯一筋に思ひ切るべし), is fixed as a directive through the normative force of beshi (べし), “must” or “should,” and in the second fold—nani ka sen ⇄ omohi kiru beshi—the question reverses into resolve. As a result, the “force” of the utterance exceeds its content: more is being done than merely said.

The expected consequence at the level of the perlocutionary act is the cutting off of hesitation and the unification of the standard of practice. The cut placed immediately after the question acts as a psychological interruption, and when omohi kiru beshi drops into that blank space, one’s attitude tightens and one’s choices diminish. The pivot between 太刀／断ち (tachi) and 切る(kiru) induces an inner “cutting” in the act of understanding, and the metaphor of weapon technique is transferred directly into the operation of decision. That transference is the perlocutionary effect of this poem—its actual working power.

Coda

What this tenth poem finally leaves behind is not a rejection of technique, but the question that remains after technique has been acquired. Learning the sword is not meaningless. Yet if that learning remains merely a possession—“I have learned this”—the poem immediately cuts back with nani ka sen (何かせん): what will that do? Training is not completed when knowledge has been accumulated; it becomes training only when it turns into decision. For that reason, tada hitosuji ni, omohi kiru beshi (唯一筋に思ひ切るべし) is not a command to discard what has been learned. It is a command to pass everything one has learned through a single living line.

That line is the line of the sword, the field (as line) of the body, and the path toward which the heart-mind-spirit is directed. Circumstances may multiply, techniques may multiply, words may accumulate, but in the actual moment of facing another person, the line to be chosen is only one. What is tested there is not what one knows, but what one is willing to entrust oneself to. The cut in this poem is therefore not only a cut that ends explanation; it is also a cut that pushes the practitioner into action. Its aftertone is not a quiet aesthetic lingering, but a bodily resonance: decide now.

Thus the endpoint of this dōka is not interpretation. After it has been read, unpacked, and spoken about, the poem returns to the dōjō. A sword is not enough if it remains only in the hand; a word is not enough if it remains only in the mouth; an aspiration is not enough if it remains only in the heart. Everything must be drawn into one line and enacted here and now. The tenth poem closes on that single point: so, what are you going to do?

References

Aikido Journal. (2011, August 27). Kotodama 言霊. Retrieved October 25, 2025, from https://aikidojournal.com/2011/08/27/kotodama/

AikiTakemusu. (2014, April 11). 道歌. Retrieved October 25, 2025, from https://aikitakemusu.com/2014/04/11/%E9%81%93%E6%AD%8C/

Austin, J. L. (1962). How to do things with words. Oxford University Press.

Benesch, O. (2016). Reconsidering Zen, samurai, and the martial arts. The Asia‑Pacific Journal: Japan Focus, 14(17).

Carter, S. D. (2019). How to read a Japanese poem. Columbia University Press.

Fittler, Á. (2022, May 12). Translating homophonous expressions of waka such as kakekotoba and engo into foreign languages. Retrieved October 25, 2025, from https://www.waseda.jp/inst/wias/news-en/2022/05/12/10098/

Greenhalgh, M. (2003). Aikido and spirituality: Japanese religious influences in a martial art (Master’s thesis). Durham University e-Theses. https://etheses.dur.ac.uk/4081/

Horton, H. M. (2018). Making it Old: Premodern Japanese poetry in English translation. Asia Pacific Translation and Intercultural Studies, 5(2), 110-204. https://doi.org/10.1080/23306343.2018.1500980

Inaba, S. (1998). Moras, syllables, and feet in Japanese. In Proceedings of PACLIC 12 (pp. 106–117).

Kubozono, H. (2002). Mora and syllable. In N. Tsujimura (Ed.), The handbook of Japanese linguistics (pp. 31–61). Blackwell.

Narrog, H. (2019). Origin and structure of focus concord constructions in Old Japanese. Glossa: A Journal of General Linguistics, 4(1), 89. https://doi.org/10.5334/gjgl.837

Ōishi, M. (2007). 余情の美学—和歌における心・詞・姿の連関 [The aesthetics of yojō]. Philosophy, (118), 173–203. Keio University.

Shirane, H. (2005). Classical Japanese: A grammar. Columbia University Press.

Stalker, N. K. (2008). Prophet motive: Deguchi Onisaburō, Ōmoto, and the rise of new religions in imperial Japan. University of Hawai‘i Press.

Tsuchida, K. (2024). 和歌における〈言外の情趣〉の多元性. 東京外国語大学 国際日本学研究, 4, 1–27.

Ueshiba, M. (1977). 合気道奥義（道歌）(S. Abe, Ed.). 阿部, 醒石. Retrieved from  http://www.asahi-net.or.jp/~yp7h-td/douka.htm

Vance, T. J. (2008). The sounds of Japanese. Cambridge University Press.

Appendix I: Change Modification Log

17 JUN 26 - Added additional poetics analysis; translated commentaries to English; added coda to Japanese and English; cleaned up translations.
23 MAY 26 - Speech Act analysis updated; updated citation style.
23 JAN 26 - Phase V Speech Acts (Austin, 1962) analysis added in Japanese. 
21 DEC 25 - Applied Phase V styling on waka.
07 DEC 25 - Corrected English quotes to Japanese quotes in Japanese commentary; back propagated English "Primer" to Japanese "プライマー" updates for Japanese readability.
25 OCT 25 - Phase III completion.
14 APR 20 - Initial notes transferred.