An unlawful OATH is better broken than kept

Meaning & Analysis

It is morally better to violate an oath that is illegal, immoral, or unjust than it is to honor it. Fulfilling a wrongful promise compounds the initial error of making it.

Insights

Hierarchy of Moral Duties

The proverb establishes a clear hierarchy of duties, arguing that adherence to universal moral principles (justice, righteousness) is more important than the personal honor derived from keeping a promise. An 'unlawful oath' symbolizes any commitment that conflicts with a greater good.

Primacy of Conscience

It functions as a release clause for commitments made under duress, in ignorance, or against one's better judgment. The proverb validates the primacy of individual conscience in correcting a past error, suggesting that true integrity lies in rectification, not blind adherence.

Escape from Flawed Commitments

The proverb serves as a powerful argument against the sunk-cost fallacy in ethical decisions. It advises that one should not continue down a harmful path simply because a commitment has been made; it is better to abandon a bad course of action than to see it through to a detrimental end.

Theological and Legal Precedent

This proverb reflects a long-standing principle in theological and legal ethics, where a commitment to a higher moral law (divine will, justice, or common good) overrides personal vows. Shakespeare's reference to Jephtha's rash oath in '3 Henry VI' powerfully illustrates the tragic consequences of upholding a wrongful promise, a story that serves as a cornerstone for this ethical argument.

Psychology of Moral Choice

The proverb provides a moral framework for resolving cognitive dissonance—the conflict between the social value of keeping one's word and the internal, ethical judgment that the promised act is wrong. It reframes breaking the vow not as a failure of integrity, but as an affirmation of a superior moral clarity.

Political Allegiance and Dissent

In political philosophy, this proverb serves as a justification for civil disobedience or revolution. An oath of allegiance to a ruler or state can be deemed 'unlawful' if that authority becomes tyrannical, transforming the act of breaking the oath from treason into a moral duty.

Rhetorical Devices

Antithesis

The proverb is built on the direct opposition between 'broken' and 'kept', creating a stark moral choice that makes the intended meaning clear and memorable.

Moral Paradox

It presents a situation where a typically dishonorable act (breaking a promise) becomes the honorable one. This paradoxical structure forces a deeper consideration of the nature of integrity.

Legalistic Diction

The use of the word 'unlawful' lends the proverb a quasi-legal authority, framing the moral advice as an objective, almost judicial, ruling rather than mere opinion.

ethicsmoralityoathpromisejusticeconscience
Analyzed with gemini-2.5-pro on June 29, 2025

Transcription

Quotations

I wente ones with a good man that said to me that a bydwongen oth. or oth sworn for force. was none oth.

1481, CAXTON, Reynard 20, p. 50

For all promises are not to be kept, specially if they be against the word of God, or not standing with a common profit.

1549, LATIMER, Serm. 8, p. 116

But yf he had maid ane unlefull aith, contrair Goddis command, it war better to violate it then to observe it.

c.1566, KNOX, Hist. Ref. I, I 283

And vows made ignorantly never bind us.

1598, MARLOWE, Hero and Leander III 366, p. 87

Oathes made Vnto our hurt wee are not bound to keepe.

1624, T. HEYWOOD, Captives, V iii 99

The vowes I made . . Were wicked and vnlawfull, 'twere more sinne To keepe them, then to breake them.

1633, J. FORD, 'Tis Pity, II, p. 104

(A constrained promise is).

1639, CL., p. 194

An oath that is not to bee made is not to be kept.

1640, HERB., no. 1010

There is no equity in keeping an unjust promise.

1659, N.R., p. 111

To keep an unjust promise, is neither just, nor fitting.

1666, TOR., It. Prov. 24, p. 219

(broke).

1670, RAY, p. 126
1672, WALK., 35, p. 46

It is ill to make an un-lawful Oath, but worse to keep it.

1721, KEL., p. 222

A Promise against Law or Duty, is void in its own Nature.

1732, FUL., no. 366

It is ill to take an unlawful Oath, but worse to keep it.

Ibid., no. 2965

There is no Piety in keeping an unjust Promise.

Ibid., no. 4915

Shakespeare Citations

It is great sin to swear unto a sin, But greater sin to keep a sinful oath.

2H6, V.i

Perhaps thou wilt object my holy oath. To keep that oath were more impiety Than Jephtha when he sacrific'd his daughter.

3H6, V.i

Unheedful vows may heedfully be broken.

TGV, II.vi

'Tis deadly sin to keep that oath, my lord, And sin to break it.

LLL, II.i

For that which thou hast sworn to do amiss Is not amiss when it is truly done; And being not done where doing tends to ill, The truth is then most done, not doing it.

Jn, III.i

Cross References

Original Scan

An unlawful OATH is better broken than kept - 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