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Proverb / Kotowaza

治にいて乱を忘れず

ReadingちにいてらんをわすれずRomajichi ni ite ran o wasurezu

Always be prepared for a potential crisis even during peaceful or prosperous times.

While in peace, do not forget the chaos

Quick Answer

Always be prepared for a potential crisis even during peaceful or prosperous times.

Literal Image
While in peace, do not forget the chaos
Closest Equivalent
In peace, prepare for war
How to Use It
Used in business, politics, or personal planning to emphasize the importance of preparation and risk management during stable periods.

Meaning

This proverb teaches that one should remain vigilant and prepared for future disruptions while living in security. It serves as a reminder not to grow complacent when things are going well, ensuring that the means to handle trouble are always ready. The core value is foresight and responsible risk management.

Literal Image

While in peace, do not forget the chaos

Equivalent Proverbs

01
Very close✓ Reviewed

In peace, prepare for war

A direct thematic match regarding military or societal readiness.

02
Close✓ Reviewed

Hope for the best, prepare for the worst

Focuses on the mindset of readiness for any outcome.

How to Use It

Used in business, politics, or personal planning to emphasize the importance of preparation and risk management during stable periods.

Tone

Formal, cautionary, and strategic.

Examples

01

会社の業績が好調なときこそ、経営者は慎重になるべきだ。治にいて乱を忘れず、常にリスク管理を意識していた。

Precisely when company performance is strong, management must remain cautious. Following the principle of being prepared for chaos in times of peace, they were always mindful of risk management.

Learning Notes

Key Vocabulary

Estimated LevelN2Confidence: High
Estimate, not an official JLPT list

The use of formal kanji compounds (chi, ran) and the classical negative ending 'wasurezu' places this in a more advanced or professional register.

ち / chi

peace, order, stability

らん / ran

chaos, crisis, rebellion

忘れず

わすれず / wasurezu

without forgetting (negative form)

Usage Profile

FormalCautionary

Usage note: This is a strategic maxim, used in professional or serious life-advice contexts rather than casual conversation.

Misread Risk

Do not confuse this with being pessimistic or anxious; it specifically refers to responsible preparation while enjoying stability.

Search As

治にいて乱を忘れずちにいてらんをわすれずchi ni ite ran o wasurezuchiniiteranowasurezuchi-ni-ite-ran-o-wasurezu

Kanji in This Proverb

Related Proverbs

Entry available転ばぬ先の杖korobanu saki no tsuePreparing in advance ensures that you can avoid failure when trouble strikes.
Similar備えあれば憂いなし

Origin

This expression is attributed to the Chinese classic "I Ching" (Yi Jing / 易経), specifically originating from the phrase 安居して危を思う, which means to think of danger while living in peace. In Japan, it was historically highly regarded by military commanders and samurai during the Sengoku (Warring States) period as a vital rule for survival and leadership.

Index

Topics, Situations, and Tags

01

Topics

Caution and RiskStrategy and ActionMoney and Work
02

Situations

Warn SomeoneGive Life AdviceDiscuss Money or Work
03

Tags

⚠️Warnings & Caution🎯Strategy & Tactics💰Money & Business

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
2026-03-15
Updated
2026-05-08
Source 1: tomomi965.comSource 2: tomomi965.comSource 3: tomomi965.comAbout Data SourcesReport a Correction

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