How to Read “断機の戒め”
Danki no imashime
Meaning of “断機の戒め”
“Breaking loom’s warning” is a proverb that represents a warning against abandoning things halfway through.
It contains the lesson that if you quit the efforts and learning you’ve been accumulating halfway through, all your previous hard work will be wasted. To use weaving as an example, it’s like cutting off fabric that you’ve spent a long time weaving just before completion.
This proverb is often used particularly in the context of learning and skill acquisition. Study and practice only have meaning when continued, and if you give up halfway through, the time and effort invested up to that point won’t be rewarded. It’s also used as encouragement for people who are about to give up when facing difficulties while trying to achieve something. In modern society, this lesson applies to various situations such as obtaining qualifications, acquiring skills, and carrying out projects. It’s a truly apt proverb that clearly expresses the value of continuation and the loss of quitting halfway through, using the familiar work of weaving as an example.
Origin and Etymology
“Breaking loom’s warning” is a didactic proverb that originates from Chinese classics. Behind this phrase lies a famous educational episode involving Mencius’s mother, known as Meng Mu.
When Mencius was young, he once came home in the middle of his studies. At that time, his mother, who was weaving, cut the half-finished cloth with a knife in front of her son. To the surprised Mencius, his mother said: “Quitting your studies halfway is the same as wasting this half-woven cloth.”
This act of “breaking the loom” was an educational method that visually demonstrated the foolishness of abandoning studies or tasks halfway through. Meng Mu taught her son the importance of continuation by ruining the cloth she had been weaving.
This historical tale was transmitted to Japan and became established as “Breaking loom’s warning.” By using weaving, which was a common daily task at the time, as an example, it became a lesson that anyone could easily understand. The reason it continues to be used today as a warning against quitting things halfway might be due to the power of this easy-to-understand metaphor.
Usage Examples
- Studying for the certification exam has become difficult, but I’ll remember Breaking loom’s warning and persevere until the end
- I continue to practice piano every day, even if just a little, so that the piano lessons I started don’t become Breaking loom’s warning
Modern Interpretation
In modern society, “Breaking loom’s warning” has come to have more complex and diverse meanings. In our information society, we are constantly surrounded by new options and temptations, making it more difficult than before to continue focusing on one thing.
Amid the abundance of easily accessible entertainment such as social media, video streaming services, and games, continuing steady effort has become a true challenge. In the modern era where online learning has become widespread, while we can start new courses anytime, low completion rates are often seen as problematic.
On the other hand, modern values also consider “knowing when to quit” an important skill. In a society that emphasizes efficiency and productivity, sometimes decisions to change direction or withdraw are necessary. This might be a way of thinking that contradicts the classical “Breaking loom’s warning.”
However, having the eye to discern what is truly valuable and the attitude to see it through to the end remains important even today. In areas that require a long-term perspective, such as career development, building human relationships, and health management, the lessons of this proverb are still relevant. What modern people need might be the wisdom to judge what to continue and what to let go of.
When AI Hears This
When Mencius’s mother cut through her weaving in that pivotal moment, she perfectly demonstrated the truth about “interruption costs” that modern cognitive scientists have spent decades proving—and she did it 2,000 years ago.
Stanford University research reveals that when work is interrupted, it takes an average of 23 minutes to return to the original state of concentration. The same principle applies to weaving: once you cut the thread, it requires considerable time and effort to continue weaving at the same quality level. Mencius’s mother was visually teaching her son about the high cost of this “recovery time.”
What’s even more fascinating is how this aligns with modern “Flow Theory.” According to this theory proposed by psychologist Csikszentmihalyi, entering a deep state of concentration (flow) can boost productivity by up to 500%. Weaving is precisely the kind of repetitive work that easily generates flow states, making interruption the worst possible action—one that destroys this precious mental state.
Today’s corporations are emphasizing the importance of “deep work,” with companies like Google and Microsoft implementing systems to protect their employees’ focused time. Mencius’s mother’s teaching was essentially modern productivity theory in action. The insight of this ancient Chinese mother, who conveyed in an instant what modern business books spend chapters explaining, is simply astounding.
Lessons for Today
What “Breaking loom’s warning” teaches us today is the importance of having the eye to discern what is truly valuable and the strength to see it through to the end.
Modern society is overflowing with choices, but precisely because of this, the power of continuation toward what you’ve decided “this is it” greatly influences your life. It might be work, or it might be relationships with important people. Or it might be learning for your own personal growth.
What’s important is not to demand perfection. If you take small steps every day and don’t stop moving forward, you will surely get closer to your goals. When you feel like giving up, remember what you’ve accumulated so far. Your efforts are never wasted.
This proverb is not telling us “don’t give up,” but rather speaking to us saying “let’s cherish what is truly important.” If you can find what is truly valuable in your life and continue to face it sincerely, you should surely be able to walk a rich life.


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