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Proverb / Kotowaza

良薬は口に苦し

ReadingりょうやくはくちににがしRomajiryoyaku wa kuchi ni nigashi

Sincere advice and constructive criticism may be painful to hear, but they are beneficial for one's self-improvement.

Good medicine is bitter to the mouth.

Quick Answer

Sincere advice and constructive criticism may be painful to hear, but they are beneficial for one's self-improvement.

Literal Image
Good medicine is bitter to the mouth.
Closest Equivalent
Bitters do good to the stomach
How to Use It
People use this expression when they realize that a piece of criticism, while painful at the time, was correct and helpful for their development.

Meaning

Just as effective medicine has a bitter taste that makes it difficult to swallow, honest advice or warnings can be unpleasant to receive. However, just as that medicine cures an illness, such words are ultimately for one's own benefit. This proverb encourages accepting harsh truths as a means to personal growth.

Literal Image

Good medicine is bitter to the mouth.

Equivalent Proverbs

01
Close✓ Reviewed

Bitters do good to the stomach

Focuses on the benefit of bitter things for health.

How to Use It

People use this expression when they realize that a piece of criticism, while painful at the time, was correct and helpful for their development.

Tone

Formal and instructive. It is used in a reflective manner after receiving a harsh rebuke.

Examples

01

厳しい指摘だったが、的を射ていた。良薬は口に苦しというものだ。

It was a harsh criticism, but it hit the mark. As they say, good medicine is bitter to the mouth.

02

耳の痛い助言こそ成長につながる。良薬は口に苦しだ。

Advice that is hard to hear is exactly what leads to growth. Good medicine tastes bitter.

03

上司の叱責は辛かったが、おかげでミスが減った。良薬は口に苦しである。

The boss's reprimand was painful, but thanks to it, my mistakes have decreased. Good medicine is bitter to the mouth.

Learning Notes

Key Vocabulary

Estimated LevelN2Confidence: Medium
Estimate, not an official JLPT list

Uses nouns like 'medicine' and 'mouth', but the 'nigashi' ending is a classical adjective form that may be unfamiliar.

良薬

りょうやく / ryouyaku

good medicine

くち / kuchi

mouth

苦し

にがし / nigashi

bitter (classical form)

Usage Profile

NeutralCautionaryMoralizing

Usage note: While it justifies harsh criticism, using it to dismiss someone's hurt feelings can seem cold.

Misread Risk

It is not only about physical medicine; it is used as a metaphor for advice or criticism.

Search As

良薬は口に苦しりょうやくはくちににがしryoyaku wa kuchi ni nigashiryoyakuwakuchininigashiryoyaku-wa-kuchi-ni-nigashiryoyaku-ha-kuchi-ni-ni-gashiryoyakuhakuchininigashiryoyaku ha kuchi ni ni gashi

Kanji in This Proverb

Related Proverbs

Entry available忠言は耳に逆らうchugen wa mimi ni sakarauSincere advice is difficult to hear and hard to accept.

Origin

The expression is attributed to Confucius: 'Good medicine is bitter to the mouth but beneficial for the illness; sincere advice is unpleasant to the ear but beneficial for one's conduct' (良薬は口に苦けれど病に利あり、忠言は耳に逆らえども行に利あり).

📝Source References

This proverb is found in the 'Huainan Wangzhuan' (淮南王伝) section of the Shiji (Records of the Grand Historian) and in the 'Liuben' (六本) section of the Kongzi Jiayu (School Sayings of Confucius).

Index

Topics, Situations, and Tags

01

Topics

Learning and WisdomCharacter and Virtue
02

Situations

Give Life AdviceTeach Humility
03

Tags

⚔️Life & General Wisdom🧠Philosophy

Source Note

Where did this entry get its data from? The reference links are listed below. To understand how to read this section, see Data Sources.

Published
2019-10-01
Updated
2026-05-08
Source 1: tomomi965.comAbout Data SourcesReport a Correction

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