Ill DOERS are ill deemers

Meaning & Analysis

Those who do bad things (ill doers) are also those who judge or perceive others in a negative light (ill deemers).

Insights

Perception as Reflection

A person's perception of the world is a reflection of their own moral character. Those who are themselves deceitful or malicious tend to assume that others share the same corrupt motivations.

Justification through Accusation

Wrongdoers often justify their actions by believing that everyone else is just as bad. By deeming others 'ill', they normalize their own behavior and lessen their own culpability in their minds.

Corruption Breeds Suspicion

The proverb highlights how a corrupted nature erodes the ability to recognize goodness or innocence in others. Having a malicious mind ('mala mens') inevitably leads to a malicious or suspicious spirit ('malus animus').

Moral Diagnosis

The proverb serves as a powerful diagnostic tool for social judgment, suggesting that chronic suspicion and negative assessment of others may reveal more about the accuser's own character than the accused's. It cautions one to consider the source of criticism.

Psychological Projection

This proverb is a concise folk-psychology articulation of projection, a defense mechanism where individuals attribute their own unacceptable qualities or feelings to others. The quotations, like 'He shall think you to be naught, because he himself hath been naught', confirm this long-held intuitive understanding of human nature.

Classical Heritage

The Latin phrase 'mala mens, malus animus' (an evil mind, an evil disposition), cited in the 16th-century quotations, shows the proverb's deep roots in classical and medieval moral philosophy, reflecting a timeless understanding of how inner corruption taints outward perception.

Guilt and Paranoia

The proverb implies that a guilty conscience fosters a paranoid worldview. Unable to trust themselves, wrongdoers lose the capacity to trust others, interpreting innocent actions through a lens of deceit and malevolence that mirrors their own.

Rhetorical Devices

Parallelism

The balanced structure of 'Ill X are ill Y' creates a powerful and memorable equivalence, directly linking a person's actions to their perceptions.

Alliteration

The repetition of the 'd' sound in 'doers' and 'deemers' creates a hard, rhythmic link between the two concepts, enhancing the proverb's memorability and phonetic impact.

Conciseness

The proverb distills a complex psychological insight into a very short, impactful statement, making its wisdom accessible and easy to recall.

projectionguiltsuspicionjudgmentmoralitypsychology
Analyzed with gemini-2.5-pro on July 7, 2025

Transcription

Quotations

He shall think you to be naught, because he himself hath been naught.

1576, PETTIE, Pet. Pal., I 167

For mala mens, malus animus, an evil disposition breedeth an evil suspicion.

Ibid., II 119

The faithlesse man doth iudge in me, That in himselfe he knowes to be.

1586, WITHALS, s. K4v

Commonly the old prouerb saith: he that hath bin a doer himselfe thinketh badly of others.

1591, STEP., p. 66

Ane ill disposition breidis ill suspition mala mens malus animus.

a.1598, FERG., MS, no. 202

Whosoeuer is bad, hath suspition of another to be bad.

1599, MINSHEU, Span. Dial., p. 9

An evil mind, an evil meaning.

1672, WALK., 5, p. 28

Ill doers, ill deemers.

1721, KEL., p. 176

(are ill Thinkers).

1732, FUL., no. 3069
1738, SWIFT, Pol. Conv., I, p. 418

Cross References

Original Scan

Ill DOERS are ill deemers - a scanned entry from Tilley's 1950 Dictionary of Proverbs.
Scan courtesy of HathiTrust Digital Library.
Used under CC BY-NC 3.0.

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Last updated: January 27, 2026