Proverb / Kotowaza
悪に強きは善にも強し
A person who has the strong will required to do evil can apply that same strength to accomplish great good if they reform.
One who is strong in evil is also strong in good.
Quick Answer
A person who has the strong will required to do evil can apply that same strength to accomplish great good if they reform.
- Literal Image
- One who is strong in evil is also strong in good.
- How to Use It
- Used to describe a formerly troubled or wild individual who has redirected their strong character toward positive goals, such as community service or helping others.
Meaning
This expression suggests that the underlying energy and determination required to commit significant bad acts are the same qualities needed for virtuous deeds. When a strong-willed person undergoes a change of heart, their inherent intensity allows them to become remarkably dedicated and effective in their pursuit of good.
Literal Image
One who is strong in evil is also strong in good.
How to Use It
Used to describe a formerly troubled or wild individual who has redirected their strong character toward positive goals, such as community service or helping others.
Tone
Observational and moralizing, highlighting the latent potential for virtue in those with a powerful will.
Examples
昔は荒れていた彼が、今では地域奉仕に情熱を注いでいる。「悪に強きは善にも強し」とはこのことだ
He used to be a troublemaker, but now he is pouring his passion into community service. It is just as the saying goes: 'One who is strong in evil is also strong in good.'
Learning Notes
Key Vocabulary
The vocabulary is relatively simple, but the use of the classical Japanese attributive 'tsuyoki' and conclusive 'tsuyoshi' increases the difficulty for learners.
悪
あく / aku
evil; bad
強き
つよき / tsuyoki
strong (attributive form)
善
ぜん / zen
good; virtue
強し
つよし / tsuyoshi
strong (conclusive form)
Usage Profile
Usage note: This proverb is used to comment on a person's character after they have changed; it is not a justification for remaining 'strong in evil' currently.
Misread Risk
Avoid interpreting this as a statement that evil people are naturally good; rather, it means the strength of their will is a neutral force that can be applied to either end.
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Origin
This proverb arises from the philosophical insight that willpower is a neutral force that can be directed toward any goal. It highlights that when an individual with a strong sense of purpose reforms, that same internal strength can transform them into a person of great virtue.
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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.