Meaning & Analysis
You can no more keep hold of his promise than you can firmly grasp a slippery, wet eel by its tail—i.e., not at all.
Insights
Unreliable Promises
The proverb brands a person’s pledge as inherently ungraspable; the more you try to rely on it, the quicker it slides away.
Evasion and Slipperiness
Like an eel that squirms free at the moment of capture, the speaker dodges accountability, wriggling out of commitments with ease.
Instability of Contracts
Warns that agreements without enforceable bonds—reputation, oath, collateral—are structurally unsound and will not ‘hold.’
Appearance vs. Reality
A promise seems solid when uttered, but its substance proves slick in practice; surface assurance conceals underlying flux.
Folk Biology to Moral Judgment
Eels, notoriously slick-skinned (especially when wet), serve as a ready emblem of elusiveness. Everyday attempts to grip such fish supplied a tactile metaphor for unreliable character.
Trust as Grasp
The proverb treats fidelity as a physical ‘hold’—a grasp on someone’s future action. Without friction (honor, law, mutual interest), the social ‘grip’ fails.
Speech-Act Skepticism
A promise is a performative act that creates obligation only if backed by intention and social sanction; here, words lack the ‘adhesive’ that makes utterance bind.
Cross-Cultural Resonance
Many languages invoke eels or fish to signify slipperiness; the image is a near-universal shorthand for the frustration of pinning down deceitful or mercurial people.
Psychology of Broken Trust
Humans overweight verbal assurances in the moment; repeated slippage teaches wariness. The line advises calibrating trust to past behavior, not fluent promises.
Rhetorical Devices
Simile
The explicit ‘as … as’ comparison translates abstract unreliability into a vivid, bodily struggle with a writhing fish.
Concrete Imagery
‘Wet eel by the tail’ conjures texture, temperature, and motion, making the moral judgment sensorially immediate.
Alliteration and Assonance
The w- and e- sounds in ‘wet eel’ and the t-plosive in ‘tail’ produce a crisp cadence that aids recall.
Antithesis (Implicit)
Sets expectation (a word should ‘hold’) against reality (it won’t), sharpening the rebuke through contrast.
Gnomic Compression
A tight, proverbial frame distills a general rule of prudence into a single, unforgettable scene.
Transcription
Quotations
Hir promise of frendshyp, for any auayle, Is as sure to holde, as an eele by the tayle.
There is no more assurance of his worde then to holde an ele by the tayle.
As trusty as is a quicke ele by the tayle.
There is no more hold to be taken of his word then of an Eel by the tail.
(There is as much).
(of their words).
There is no more hold to be ta'ne of his word than of a wet Eel by the tail; you can have him at no certainty.
(There is as much).
There is as much hold of his Words, as of a wet Eel's Tail.
Cross References
Related Proverbs
Original Scan

Used under CC BY-NC 3.0.