It is a SIN to belie the devil

Meaning & Analysis

It is morally wrong (a sin) to lie about or misrepresent even the devil, the ultimate embodiment of evil.

Insights

The Sanctity of Truth

The proverb champions the absolute and universal value of truth. It asserts that honesty is a fundamental virtue that must be upheld under all circumstances, irrespective of the subject's worthiness.

Commitment to Fairness

It serves as a powerful argument for universal fairness, insisting that every individual, no matter how reviled, is entitled to be judged on the basis of facts rather than slander.

Preservation of Moral Integrity

The act of lying, even about a malevolent entity, ultimately degrades the liar's own moral character. The proverb suggests that maintaining one's integrity requires abstaining from falsehood, regardless of the target.

Warning Against Slander

It cautions against the dangers of exaggeration and false accusation in conflicts. By attributing non-existent faults to an opponent, one weakens their own position and loses credibility.

Theological Underpinnings

Rooted in Christian theology where bearing false witness is a cardinal sin, the proverb presents a sophisticated moral argument that the obligation to tell the truth is absolute and does not depend on the character of the subject.

Principle of Justice

This proverb aligns with the foundational legal and ethical principle of giving even the most despised adversary a fair hearing. It argues for a standard of justice that transcends personal animosity, suggesting that truth must be upheld impartially.

Psychological Integrity

Psychologically, the proverb serves as a check on self-righteousness. Falsely accusing an enemy, even a symbolic one like the devil, can corrupt the accuser and undermine the credibility of any valid criticisms they may have.

Cultural Parallel

The related proverb 'Give the devil his due' reinforces this idea, shifting from the negative injunction (do not lie) to a positive one (acknowledge what is true). Both demand an objective and fair assessment, regardless of the subject's reputation.

Rhetorical Devices

Hyperbole

The proverb uses the devil as a hyperbolic example. If even the ultimate personification of evil should not be lied about, then it follows that no one should be. This extreme case makes the moral imperative absolute.

Moral Absolutism

By framing the act as a 'SIN', the proverb elevates the wrongdoing from a simple mistake to a grave moral and spiritual transgression, lending it significant weight and authority.

Paradox

A paradox is created by applying a moral duty (truthfulness) to a being considered the epitome of immorality (the devil), which effectively highlights the unconditional nature of the principle.

truthintegrityjusticefairnessmoralityhyperbole
Analyzed with gemini-2.5-pro on November 26, 2025

Transcription

Quotations

It were synne to lye on the deuil.

1548, E. HALL, Edw. I: Chron., f. 16v

It is also a true common proverb, that it is even sin to lie upon the devil.

a.1555, N. RIDLEY, Declaration Lord's Supper, Wks., p. 10

(to lie on the devill).

a.1598, FERG., MS, no. 789

('Tis sinne).

1607, DEKKER, Knight's Conjuring, II, p. 21

(to lye on the Devil).

1668, R.B., p. 28
1678, RAY, p. 125
c.1703, MOTTEUX, Don Quix., I III xi, I 180

(to lye on).

1721, KEL., p. 197

It is wrong to call bad People worse than they are.

*Note

(to belie even the Devil himself).

1732, FUL., no. 2884

Cross References

Original Scan

It is a SIN to belie the devil - 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