How to Read “李下に冠を正さず”
Rika ni kanmuri wo tadasazu
Meaning of “李下に冠を正さず”
“Under plum tree not straighten cap” means that one should avoid actions that could invite suspicion from the very beginning.
Even if you have no ill intentions, taking actions that appear suspicious to others can lead to unnecessary misunderstandings and doubts. To avoid such situations, it teaches that it’s wiser to stay away from places or situations that might draw suspicious looks from the start.
This proverb is mainly used when people in positions of authority discuss how to conduct themselves, or when giving advice to someone. It’s often employed to express professional ethics, such as politicians avoiding dinners with stakeholders, teachers avoiding being alone with specific students, or accounting staff not approaching safes alone. Even in modern times, in a society where compliance and transparency are highly valued, this way of thinking serves as a very important guideline.
Origin and Etymology
“Under plum tree not straighten cap” is a proverb that originates from the Chinese classical poem “Kunshi-ko” (The Gentleman’s Journey). This poem contains the passage “In melon field not put on shoes, under plum tree not straighten cap,” which was transmitted to Japan and became its current form.
“In melon field not put on shoes” means “don’t put your shoes back on in a melon field,” and “under plum tree not straighten cap” means “don’t adjust your cap under a plum tree.” Why should such actions be avoided? It’s because crouching down to put on shoes in a melon field would look like you’re stealing melons, and raising your hands to adjust your cap under a plum tree would look like you’re picking plums.
This teaching was used to mean that a gentleman should refrain from actions that invite suspicion. In China, there has long been a strict eye turned toward the character of rulers and those in leadership positions, and this proverb is thought to have emerged from such social background. It was transmitted to Japan along with classical Chinese learning and became established through its connection with the samurai spirit and Confucian thought.
Interesting Facts
The plum is a fruit native to China that is said to have been introduced to Japan during the Nara period. Interestingly, plum trees bear fruit at a height where you can easily reach them by extending your hand, which may be why they were chosen as the setting for this proverb.
The “melon” in “In melon field not put on shoes,” which pairs with this proverb, bears fruit crawling along the ground, so the motion of crouching down to put on shoes was chosen because it resembles the action of picking melons.
Usage Examples
- The department manager declines all entertainment from business partners, which is probably the spirit of “Under plum tree not straighten cap”
- She works in accounting and follows “Under plum tree not straighten cap” by always having two people manage the safe keys
Modern Interpretation
In modern society, the importance of this proverb is increasing more and more. With the spread of social media, our actions are now exposed to far more people’s eyes than before. In an era where a single photo or post can be instantly disseminated and interpreted in various ways by people who don’t know the context.
Especially in today’s business environment where strict compliance is required, the spirit of “Under plum tree not straighten cap” has become essential. Systems have been established in all fields to avoid actions that invite suspicion in advance, including ethical regulations for civil servants, corporate codes of conduct, and professional ethics for healthcare workers.
However, on the other hand, if this way of thinking goes too far, there’s also the danger of causing excessive self-restraint and intimidation. In educational settings, there are cases where necessary guidance and support cannot be adequately provided due to maintaining appropriate distance between teachers and students.
As a new challenge in the digital age, online behavior has also become subject to “Under plum tree not straighten cap.” Backgrounds during remote work, remarks in online meetings, and even a single “like” on social media can potentially cause unintended misunderstandings. Modern people are required to have the wisdom to understand traditional wisdom in a contemporary context and apply it appropriately.
When AI Hears This
Modern SNS flame wars and “Don’t adjust your cap under a plum tree” depict surprisingly identical psychological mechanisms.
On social media, casual posts can generate misunderstandings in an instant. For example, simply posting a photo of an expensive restaurant gets you criticized for “showing off,” or a photo with someone of the opposite sex leads to “adultery suspicions.” This is exactly the same structure as being suspected of “theft” just for adjusting your hat under a plum tree.
What’s fascinating is that in both cases, the core problem lies in the gap between “the actor’s intention” and “the observer’s interpretation.” In psychology, this is called the “fundamental attribution error” – the phenomenon where people tend to judge others’ actions based on character rather than circumstances.
Furthermore, in modern times, these misunderstandings spread instantaneously. According to research by Twitter, false information spreads six times faster than truth. In other words, we now live in an era where “suspicion of stealing plums” can reach tens of thousands of people in an instant.
This proverb, where ancient Chinese people put into words their “fear of being misunderstood by appearances,” may have actually predicted modern people’s “anxiety about digital surveillance society” 2,000 years ago. Smartphone cameras have become countless “plum trees,” and we live with the constant sense of being watched for those “moments of adjusting our caps.”
Lessons for Today
What this proverb teaches us today is the truth that “trust can be lost in an instant, but takes a long time to build.” Especially in modern times when information spreads instantaneously, a single careless action can sometimes lead to irreversible consequences.
What’s important is not to understand this proverb as mere “cautiousness,” but to understand it as “consideration that thinks from the other person’s perspective.” The ability to imagine how people who see your actions might feel and what kind of misunderstandings might arise is the true practice of “Under plum tree not straighten cap.”
In modern society, it may be impossible to completely avoid suspicion. However, by keeping the spirit of this proverb in mind, you can build better human relationships and become a trusted presence in society. Sometimes it may feel inconvenient, but it will ultimately become wisdom that protects you and maintains harmony with those around you.


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