Meaning & Analysis
Do not even sample or associate with anything that bears a visible mark of vice or danger—the ‘black tail’—lest you be harmed or morally stained.
Insights
Avoid corrupt company
The ‘black tail’ stands for a tainted reputation; to ‘taste’ is to keep company. The proverb warns that consorting with the openly vicious entangles one in their harms and scandals.
Heed visible warnings
Some dangers advertise themselves. A ‘black tail’ is a sign—tell-tale habits, histories, or circles—that should dissuade contact before curiosity takes hold.
No “just a taste”
Sampling vice underestimates its stickiness. The first sip invites habit and complicity; refusing the taste is the surest boundary.
Reputational contagion
Association transfers color: walk with the stained and you are ‘blackened’ by reflection. The saying prioritizes the health of one’s name and community trust.
Discernment of ends
‘Tail’ can suggest consequences—the end of a thing. Judge practices by their outcomes: if their ‘tails’ are dark, abstain upstream.
Pythagorean symbol
Erasmus preserves a Pythagorean akousma—an enigmatic rule whose literal oddity encodes moral counsel. Early humanists glossed it as a ban on keeping company with the wicked, translating ritual riddle into social prudence.
Early modern gloss
Writers like Elyot, Taverner, and Lyly paraphrase the adage as ‘meddle not with naughty fellows,’ showing how Renaissance pedagogy turned classical sententiae into conduct rules for court and school.
Color as moral code
In medieval and early modern symbolism, black commonly marked sin, grief, or danger; the ‘black tail’ compresses a visual ethic—what is visibly darkened is presumptively unsafe to engage.
Biblical and proverbial chorus
It harmonizes with ‘Evil communications corrupt good manners’ and the English tag ‘Touch pitch and be defiled’: contact communicates quality, so purity requires selective distance.
Psychology of influence
Modern social science confirms the proverb’s intuition: behaviors and norms spread through networks; boundary-setting—refusing the ‘taste’—prevents drift via imitation and moral licensing.
Ambivalent ethics
Taken rigidly, the rule can justify shunning and moralism; wisdom distinguishes warning signs from mere stigma, balancing self-protection with charity and reform.
Rhetorical Devices
Allegorical prohibition
A concrete, slightly uncanny ban (‘black tails’) encodes an ethical principle, making the lesson vivid and memorable.
Metonymy and synecdoche
‘Taste’ stands for experiential involvement; a ‘tail’—a small part—stands for the whole person or practice and its trailing consequences.
Color symbolism
Black operates as a moral color code, instantly cueing danger, vice, and defilement.
Imperative mood
The terse command ‘Taste not’ converts reflection into action, modeling decisive refusal.
Alliteration
The clustered t-sounds in ‘Taste… THINGS… tails’ add a crisp snap that aids recall.
Transcription
Quotations
Ne gustaris quibus nigra est cauda.
Taste nothynge that hath a blacke tayle, That is to saye, company with no persone, whose manners be spotted with vice.
[As in Eras.]. Taste not (sayd Pythagoras) of thynges that haue blacke tayles, that is to say, medle not with naughtye fellowes and such as haue blacke and diffamed manners.
First . . one should absteine from the tast of those thinges that haue blacke tayles. That is, we must not vse the companye of those whose corrupt manners doo as it were make their lyfe blacke.
Related Proverbs
Original Scan

Used under CC BY-NC 3.0.