Meaning & Analysis
Although thieves earn their living by dishonesty toward the public, they maintain a strict code of loyalty, truthfulness, and fairness when dealing with one another within their own criminal group.
Insights
The necessity of order
The proverb illustrates that no society, not even an anti-social one, can survive without rules. Chaos must be organized to function; even anarchy requires an internal structure of trust to operate effectively against the outside world.
Situational ethics
It highlights the relativism of morality. A person can be a villain in one context (society at large) and a hero or faithful partner in another (the gang), suggesting that 'virtue' is often defined merely by who is in the 'in-group.'
Fragility of complicity
Shared guilt creates a bond stronger than legal contracts. The loyalty described is not born of love, but of mutual destruction; they cannot afford to be rogues to each other because betrayal would mean the gallows for all.
Honor among thieves
This concept (honor inter latrones) has ancient roots, notably discussed by Cicero and Plato. They argued that even a band of robbers cannot succeed if they wrong one another. The proverb encapsulates this philosophical paradox: injustice requires a core of justice to function.
Falstaff's hypocrisy
The Shakespeare citation from '1 Henry IV' ('A plague upon it when thieves cannot be true to one another') is spoken by Falstaff. The humor lies in his moral outrage: he demands the high virtue of fidelity from the very people who have rejected societal virtues, oblivious to the irony that he is a thief complaining about theft.
The Romantic Outlaw
The citation from Motteux's translation of 'Don Quixote' alludes to the literary trope of the 'noble bandit' (like Roque Guinart). In 17th-century literature, the criminal underworld was often romanticized as having a cleaner, more honest code of conduct than the corrupt royal courts.
Semantic shift of 'Rogue'
In the 16th and 17th centuries, 'rogue' specifically meant a vagrant, a beggar, or a deceitful rascal. The proverb uses it to mean 'traitor' or 'cheat.' It asserts that while they are legally thieves, they refuse to be culturally defined as rogues (unreliable men) within their fraternity.
Rhetorical Devices
Paradox
The statement combines mutually exclusive concepts—criminality ('Thieves') and integrity ('never rogues')—to startle the listener into recognizing the hidden logic of the underworld.
Irony
It uses a negative term ('rogue') to define the standard of virtue. To be a 'good' thief, one must not be a 'rogue,' creating a linguistic loop where badness is defined by a lack of a specific type of badness.
Generalization
The use of the absolute 'never' and the plural 'Thieves' frames this as a universal anthropological law rather than an observation of a specific gang.
Transcription
Quotations
I doe belieue thee .. Theeues haue betweene themselues, a truth, And faith which they keepe firme.
(The old proverb still holds good. Thieves).
Shakespeare Citations
A plague upon it when thieves cannot be true to one another.’
Cross References
Original Scan

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