How to Read “鳴く蝉よりも鳴かぬ蛍が身を焦がす”
Naku semi yori mo nakanu hotaru ga mi wo kogasu
Meaning of “鳴く蝉よりも鳴かぬ蛍が身を焦がす”
This proverb expresses that those who quietly harbor passion within themselves have deeper and stronger feelings than those who make noise and express themselves vocally.
When comparing people who superficially express their emotions with loud voices to those who quietly burn with passion internally, the latter are said to have more serious and profound feelings. Cicadas appeal for attention with their cries, but fireflies silently make their bodies glow, harboring passion so intense that they literally “burn their bodies.”
This expression is used in various situations, including romantic feelings, passion for work, and devotion to art. It is employed to express the state of mind of people who say nothing with their mouths but harbor strong feelings deep in their hearts. It embodies the values that Japanese people have long cherished of “modesty” and “passion kept within” as virtues, and also includes feelings of consideration for others, suggesting that quiet people may have deeper thoughts.
Origin and Etymology
The origin of this proverb is thought to have emerged from the combination of Japan’s ancient nature observation and literary expression. It’s an expression born from the contrast between two creatures that represent summer: cicadas and fireflies.
Cicadas have long appeared in Japanese literature and haiku as creatures that assert their existence through their cries. On the other hand, fireflies have been beloved by many poets since the Heian period as mysterious beings that emit light in silence. The expression “burns body” for fireflies is presumably a metaphor derived from the chemical reactions that occur within their bodies when they emit light.
In Edo period literature, expressions using this contrast began to appear frequently. People of that time likely compared the lively cries of cicadas with the quiet light of fireflies, drawing parallels to differences in human emotional expression.
Behind the establishment of this proverb lies the Japanese cultural value system that emphasizes “modesty.” The idea that holding quiet, inner passion is more virtuous than making loud assertions is thought to have combined with this natural world contrast to be passed down as a lesson.
Interesting Facts
The mechanism by which fireflies emit light actually involves chemical reactions within their bodies, so the expression “burns body” is scientifically sound. When a substance called luciferin oxidizes, energy is released as light, but this reaction produces almost no heat and is called “cold light.” In other words, fireflies are literally consuming themselves to create light.
Cicada cries are actually made only by males as courtship behavior to call females. Meanwhile, firefly light is also a courtship signal, so this proverb inadvertently expresses “differences in appeal methods.”
Usage Examples
- She’s always quiet, but as they say “Crying cicada rather than not-crying firefly burns body,” she has more passionate feelings than anyone
- That person doesn’t say much, but “Crying cicada rather than not-crying firefly burns body” – the passion hidden within is immeasurable
Modern Interpretation
In modern society, expressing one’s thoughts on social media has become commonplace, and the value of “raising one’s voice” is being reconsidered. However, at the same time, the meaning of “quiet passion” shown by this proverb is also being understood in new contexts.
Precisely because we live in an information-overloaded era, the value of people who quietly accumulate skills is being recognized again, as they tend to get buried under flashy posts and loud voices. For example, it’s not uncommon for craftspeople and researchers who don’t self-promote on social media to actually possess the deepest expertise and passion.
Also, while modern communication emphasizes “visualization,” there’s a growing understanding that truly important thoughts and values cannot be easily put into words. In romance too, many people feel that someone who shows love through subtle actions is more trustworthy than someone who says “I love you” every day.
However, in modern times, appropriately expressing one’s opinions and emotions is also considered an important skill. The characteristic of modern society is that a sense of balance is required – applying the teachings of this proverb while also speaking up when necessary.
When AI Hears This
The “quietly burning passion” depicted in this proverb vividly highlights the emotional value reversal happening in today’s social media society.
On social platforms, visible reactions like “likes” and “shares” have become the measuring stick for emotional intensity. Those who loudly proclaim their love and post frequently are perceived as more “passionate,” while people who quietly harbor their feelings are often misunderstood as being “lukewarm” or “indifferent.” This is the complete opposite of Edo period aesthetics.
What’s fascinating is how psychology research has brought attention to the concept of “emotional labor.” Studies report a phenomenon where constantly expressing emotions actually wears down our authentic feelings. It’s not uncommon to find cases where people who daily broadcast their love for their partner on social media are actually feeling exhausted by the relationship.
In contrast, those who harbor deep emotions that “consume their very being” like fireflies don’t rely on superficial expressions—they show their feelings through actions and sustained engagement. This might represent a more sustainable way of experiencing emotion.
Precisely because we live in modern times, this proverb reminds us of an important truth: “the depth of emotion cannot be measured by the frequency or volume of its expression.” True passion sometimes burns most brightly in its quietest form.
Lessons for Today
What this proverb teaches us today is that “true passion burns quietly.” There’s no need to feel envious when you see people making glamorous posts on social media, or to feel down about being plain yourself.
The efforts you quietly accumulate, the dreams you harbor privately, the thoughts you cherish without telling anyone – all of these are as beautiful and valuable as a firefly’s light.
What’s important is to continue burning with passion in your own way. Some people are good at making loud assertions, while others are good at quietly polishing their skills. Both are wonderful ways of living.
And when you look at people around you, don’t forget this perspective. The colleague who doesn’t say much, the modest friend, the quiet family member – beautiful light like that of a firefly may be dwelling in their hearts too. I hope you can be someone who notices and cherishes that quiet passion. Please continue to carefully nurture the quiet flame within yourself.


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