Meaning & Analysis
The proverb suggests that by telling a deliberate falsehood, one may provoke a reaction or confession that reveals the truth.
Insights
Strategic Deception
This proverb metaphorically presents lying not as mere falsehood but as a tactical maneuver—used to uncover hidden realities or elicit authentic responses from others.
Provocative Truth-Seeking
It implies that deception, when employed knowingly and carefully, can act as a probe—exposing contradictions or drawing out truths that would remain concealed under direct questioning.
Manipulated Revelation
The proverb reveals a paradox: that people may only reveal themselves under pressure or trickery, thus presenting falsehood as a catalyst for involuntary honesty.
Spanish Proverbial Origin
As noted by Bacon and Milton, the phrase is a translation of the Spanish proverb *Di mentira, y sacarás verdad*, pointing to a cultural recognition of deception as an investigative or diagnostic tool—especially in diplomacy or interrogation.
Rhetoric and Counter-Dissimulation
Francis Bacon emphasizes the idea of 'counter-dissimulation'—lying as a rhetorical strategy. In early modern thought, this was not necessarily immoral but sometimes viewed as prudent in politics or espionage.
Moral Ambiguity and Consequentialism
The proverb sits uneasily between two ethical poles: while it resonates with the Machiavellian idea that the end justifies the means, it is also countered by Christian moral warnings against using evil to produce good (as noted in its cross-reference).
Shakespearean Echoes of Indirection
Shakespeare reflects this idea in *Hamlet* and *King John*, where 'by indirection find directions out' becomes a motif for discovering truth through disguise or falsehood—underscoring the theatricality of truth in human affairs.
Rhetorical Devices
Paradox
The proverb turns on an apparent contradiction—how can a lie produce truth? This paradox captures attention and stimulates reflection on the complexity of human communication.
Irony
There is ironic tension in using deception—a morally suspect act—to uncover something as noble as truth, giving the proverb a tone of pragmatic wisdom tinged with cynicism.
Chiasmus (Implied)
The proverb’s internal structure creates an implicit reversal—falsehood leading to truth—which mirrors the chiasmic structures often found in proverbs and aphorisms for rhetorical impact.
Transcription
Quotations
Tell a lye to know a truth.
There are few men so true to themselves and so settled, but that . . they open themselves, specially if they be put to it with a counter-dissimulation, according to the proverb of Spain, Di mentira, y sacaras verdad: Tell a lie and find a truth.
According to the Spanish proverbe, Tell a lye and finde a truth.
(the troth).
(and find out the Truth).
Shakespeare Citations
Though indirect, Yet indirection thereby grows direct, And falsehood falsehood cures, as fire cools fire.
And thus we do . . By indirections find directions out.
Cross References
Related Proverbs
Original Scan

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