Saru Mo Ki Kara Ochiru — Even Monkeys Fall from Trees 猿も木から落ちる

Saru mo ki kara ochiru 猿も木から落ちる [pronounced “sah-roo moh kee kah-rah oh-chee-roo”] means, quite literally, “even monkeys fall from trees.” The monkey is the unrivaled master of the tree. No creature reads bark and branch with such fluency, or moves through the canopy with a confidence that looks less like skill than like nature itself. The tree is the monkey’s element — the one place in all the world where it should never fall. And yet the concept insists that it does.

The image is gentle, almost comic. The lesson beneath it is among the more serious any tradition of martial arts training can offer. We are, all of us, human, and that is precisely our glory. If we were perfect — if you could watch Pinan One kata once and execute it flawlessly forever, like a machine — there would be no point in practicing it at all. Our imperfection is not the flaw in the work; it is the work. 

Saru mo ki kara ochiru 猿も木から落ちる is the concept that teaches us how to hold that truth without being broken by it.

There are many ways to express this concept, and in history, there are many common expressions allied with this notion to be found in other arts and philosophies. For instance, in Buddhism:  Kōbō mo fude no ayamari 弘法も筆の誤り — even Kōbō Daishi, the legendary calligrapher and founder of Shingon Buddhism, made errors with the brush. Calligraphy was his life; the tree is the monkey’s whole world. In each case the failure does not arrive from some unfamiliar quarter. It arrives at the center of competence, in the discipline the expert has given a lifetime to. The monkey does not fall while crossing open ground, where it is cautious and pays attention. It falls in the tree, because the tree is the one place it has stopped watching.

Where the Fall Happens

Consider the monkey honestly. When does it fall? Not while it sits eating a banana, not while it sleeps in some hollow. It falls while doing the very thing that most typifies it — moving through the branches, eye on the fruit, certain of ground it has crossed ten thousand times. This is the concept’s quiet, almost unsettling precision: error lives at the center of our ability, not at its edge.

We imagine that mistakes wait for us in the unfamiliar — in the tasks just beyond our reach. The truth runs the other way. The surgeon does not fumble the rare case he prepared for all week; he nicks the routine one he has done a thousand times. The seasoned driver does not crash on the treacherous mountain pass he approaches with care; he rear-ends someone two minutes from home. If you drop a kata, you are almost certainly at the dojo. If you blow the presentation, you are not standing beside the ice-cream truck — you are in the conference room, in front of the people who matter.

Familiarity is not the enemy of error. Familiarity is its hiding place.

This is exactly why the monkey, and not some clumsier creature, is the right symbol. An animal that climbed badly would fall constantly and teach us nothing. This concept needs an expert, so that the fall can carry weight. It says: look — even the one who has earned the right to be confident is not exempt. Skill buys you a great deal. It does not buy you a guarantee.

Know Every Branch of Your Tree

Here the karateka’s response diverges sharply from the ordinary one. If the place of your greatest competence is also the place of your greatest vulnerability, what do you do? You do not hide under the desk and hope the moment passes. You do not decline to climb. You turn and study the tree until you know every branch and every leaf on it.

If I know I must give the presentation in that conference room, I arrive before everyone else. I find where to stand so the light is not in my eyes. I learn where the decision-maker will sit, so that he sees me clearly. I check my sightlines and how much room I have to move. That room is my tree, and I intend to know it completely — whether the branch is wet, whether the sun will blind me, where the footing is sure. The same holds for the important lunch: arrive first, and thank the maître d’ before the meal, not after, so that when your guest arrives you are received like royalty. You do not merely survive your arena. You make it your stage.

This is preparation as a form of respect — for the work to be done, for the people watching, and for the difficulty of the thing itself. The vulnerability is real, and the answer to real vulnerability is not avoidance but mastery of the ground. We train twice as hard precisely where we are most exposed.

The Danger of the Black Belt

Nowhere does this concept find a more natural home than in karatedō, and nowhere is its warning more easily forgotten — because the danger arrives, paradoxically, with rank. The white belt expects to fail. Every technique is new, every kata a fresh confusion, and so the beginner trains with wide-open attention, hungry for correction. This is shoshin, the beginner’s mind, and it is the most valuable thing a martial artist owns. The tragedy is that we tend to lose it at the very moment we begin to believe we have earned the right to.

There is an old phrase for this in many dojo: the blackbelt curse. It is not what you might think. The curse is not the difficulty of reaching shodan — that difficulty is real, and surviving such a hard grading is a genuine accomplishment. The curse is what comes after: comfort.

You survived, and now everything feels settled. “Sixty-five counts in the kata? No problem, I climb trees all the time.” The student who has drilled a technique ten thousand times comes to feel the technique is his — owned, finished — and begins to move through kata on the autopilot of competence. Then one day, in front of his juniors, in the most basic exercise imaginable, he misjudges a distance he has judged correctly for years, and falls: Saru mo ki kara ochiru 猿も木から落ちる.

Read through the lens of karatedō, saru mo ki kara ochiru 猿も木から落ちるis therefore a direct instruction in wako dojin 和光同塵— humility. Not the performative humility of the person who murmurs “oh, I’m nothing special” while privately believing the opposite, but the structural humility of one who has genuinely understood that the gap between where they stand and true mastery never fully closes. The monkey in the tree should be the most watchful creature alive, because it has the most to lose from a moment’s inattention. So too the senior student. The further you climb, the longer the fall — and the more it surprises you.

Hate the Fall, Master the Response

None of this means we should make peace with failing. We should hate it. We should be clear, because the distinction matters: you should not want to fall out of the tree. You should despise it. But you must never let that hatred govern how you react in the moment you do.

Once it was necessary to take a young student aside — he was losing his temper at the small games we play in class, the kind children love, and he would kick the wall and throw a tantrum when he lost. He was asked: do you like to lose? No, he replied. Further: Do you hate it? Yes, was his quick reply. Then the lesson: Good — never stop hating it. But learn to control your emotions and how you answer them. When you lose, the smile should still be on your face. When you lose, you should still be the same good person you are every other time. Keep the fire and govern the response. That is the whole discipline in a sentence.

This is where fudōshin 不動心, the immovable mind, enters. The point of a lifetime of practice is not to become a monkey that never falls; no such monkey exists. The point is to become the practitioner who, in the half-second of the fall, does not panic, does not collapse inward, does not let one mistake cascade into ten. The composed mind treats the fall as information: it registers what went wrong, recovers its base, and continues. Zanshin 残心 — the lingering awareness that should follow every technique — is the very faculty whose lapse causes most falls, and its disciplined return is what lets the fallen practitioner land, breathe, and stand again without drama.

Fall Seven Times, Rise Eight

The concept has a companion that completes it: nana korobi ya oki 七転び八起き — fall seven times, rise eight. The first concept tells you that falling is inevitable, even for the skilled. The second tells you what to do about it. The dojo is, at bottom, the place we go precisely in order to fall — to be thrown, countered, and stripped apart, over and over, in conditions safe enough that the falling teaches rather than destroys. A student who never falls in training is one who is not training hard enough to learn anything.

The fall is not the failure. The failure to rise is, itself, the failure.

So be disciplined with yourself but also be kind to yourself — the two are not in tension. To be kind is not to say “oh well, no matter.” It is to say: I blew it today; tomorrow I will not. I will write the better speech. I practiced it four times; I will practice it sixteen. And I refuse to settle for “my best,” as though my current ceiling were the measure. I want to perform the best. If my best is not good enough, I train more. We extend that same uplift to ourselves that we would offer anyone we were trying to raise up and inspire.

The Gift of the Falling Teacher, and the Leader

There is a gift hidden here for anyone who leads — and most of us lead somewhere: at work, at home, at school, in the dojo. The sensei who falls in front of students, who misses, and then realizes it, and who then acknowledges it plainly and rises, has just taught something no lecture could convey: that error is survivable, that mastery is not the absence of mistakes, and that the path runs straight through failure rather than around it. A teacher who pretended never to fall would leave students terrified of their own inevitable falls. The honest fall, met with composure, is one of the most generous things a teacher can offer.

And when those you lead fall, lift them. You will accomplish far more by raising people up than by pushing them down. Shout and bluster and punish, and push someone down and you may get the result you want in that instant — but never the commitment, never the level of performance you might have drawn out, and the shame for the wrong choice is finally yours, not theirs. When a person stumbles, the better words are simple: even monkeys fall from trees. So you fell — get back up, let’s go again. 

Saru mo ki kara ochiru 猿も木から落ちる is thus a tool for compassion as much as for performance. Turned outward, it forbids the small cruelty of surprise when a skilled person stumbles. Of course they fell; they are a monkey, and they were in a tree. The honest response is never how could they? but of course — and now, how do they rise?

Do Not Fear Failure

Everyone is a monkey in some tree. The seasoned writer mangles a sentence in his own language. The veteran accountant transposes two digits. The careful parent forgets the one thing they never forget. Each of us has a domain we have climbed into so completely that we no longer watch our footing — and that is exactly where the slip waits.

Hold the concept the right way and it does two things at once. Turned inward, it guards against arrogance, reminding us to keep shoshin alive in the very places we feel most expert, and to watch the familiar branch as carefully as the strange one. Turned outward, it is a wellspring of compassion. Above all, it asks us not to be afraid. Failure is survivable — I have watched people lose nearly everything and climb back; you know such people too. And failure is often the thing that shows us the way to success.

This is why the concept sits so comfortably within karatedō. It does not ask us to stop climbing. It asks us to climb with humility, to know our tree branch by branch, to expect the fall without fearing it, and to make our training not the impossible avoidance of failure but the steady, graceful, eightfold art of standing back up. 

Saru mo ki kara ochiru 猿も木から落ちる — and like the monkey, the karateka rises again.

Editor’s Note: This lecture was delivered by Sensei at the Goju Karate dojo in New York City on 17 June 2026.