Cast not PEARLS before swine

Meaning & Analysis

Literally, this proverb warns against giving pearls—objects of great value—to pigs, which cannot recognize or appreciate their worth.

Insights

Misplaced Generosity

It cautions against offering valuable things—be they wisdom, gifts, or kindness—to those incapable of understanding or appreciating them, implying such efforts are wasted.

Futility of Instruction

The proverb also serves as a warning about trying to teach, advise, or reason with the obstinate or ignorant, who are unlikely to benefit from or respect what is offered.

Discernment and Discretion

It calls for discernment, urging one to consider carefully the audience before sharing precious insights or treasures, lest they be misunderstood or devalued.

Biblical and Moral Roots

The proverb originates from the Gospel of Matthew (vii.6), aligning with teachings about spiritual prudence and the sanctity of holy things. Its pairing of 'dogs' and 'swine' with 'holy' and 'pearls' highlights a longstanding concern with preserving what is sacred from profanation.

Historical and Literary Resonance

Renaissance and early modern writers such as Barclay and More expanded the proverb's meaning, applying it to material as well as intellectual and moral contexts. Shakespeare's use—'pearl enough for a swine'—ironically underscores the mismatch between giver and recipient.

Psychological Dimensions

On a psychological level, the proverb reflects frustration with unappreciative audiences and warns against the emotional exhaustion of fruitless generosity. It supports healthy boundaries by validating selective sharing.

Cross-Cultural Parallels

Analogous sayings exist globally, such as 'It is folly to strew roses amongst swine' or 'Put not thy meat in an unclean dish,' revealing a universal anxiety about the loss of value through careless or indiscriminate giving.

Rhetorical Devices

Metaphor

The vivid metaphor of pearls and swine distills complex advice into a single, arresting image of value wasted on the unworthy.

Antithesis

By juxtaposing objects of great value (pearls) with symbols of ignorance (swine), the proverb underscores the dissonance between giver and recipient.

Allusion

Direct biblical allusion lends the saying authority and gravitas, rooting it in spiritual tradition and collective memory.

wisdomfutilitydiscernmentbiblicalvaluemetaphor
Analyzed with gpt-4.1 on July 10, 2025

Transcription

Quotations

Cast precious stones or golde amonges swyne And they had leuer haue dreggis fylth or chaffe.

1509, A. BARCLAY, Ship Fools, II 257

Such hogges and dogges as were not metely to haue those precious perles put vpon their nose.

1520, T. MORE, Dial. conc. Heresy, I xxv, p. 159

Cast not perles afore swyne. For spech is the meate of the mynde. But thys meat is corrupted and doth putrify, yf it fal into an vnsounde minde.

1539, TAV., f. 55

But you, to cast precious stones before hogs.

1546, HEY., II ix, s. K4V

Folly to cast precious stones before hogs.

1562, HEY., Epig., 86, p. 140

This is the olde prouerbe, to cast perles to an hogge.

1573, New Custom, I i, s. A3

Cibum in matulam ne immitas. A Prouerbe agreeing with that saying of Christ, cast not pearles before swine, that is, vse no ciuile communication with a peruerse and naughty fellowe.

1580, BARET, C-531

For to reason of learning amongst such maner of people, is according to the Prouerbe, To sow pearles amongst Swine.

1581, PETTIE, Civ. Conv., II, I 214

Pearles should not be cast befor swyne.

a.1598, FERG., MS, no. 1148

To cast Eloquence amongst a companie of Stinctards, is all one as if a man should scatter Pearle amongst the hoggish animals eclipsed Swine.

1606, J. DAY, Isle Gulls, s. F1

It's ill casting pretious stones before swine: Yet some very sowes it makes very fine.

1611, DAV., Prov., no. 284

Peace knaue, I say, these pearls must not feed Porkets.

1622, G. MARKHAM AND SAMPSON, Herod and Antipater, I, s. C4V

Lay pearle before Swine.

1623, CAM., p. 273

You lay pearle before swine.

1639, CL., s.v. Absurda, indecora, p. 5

This is to cast Perls before swine.

1659, HOW., Eng. Prov., p. 5

To cast Pearls before Swine, viz. to loss, and to no purpose.

1666, TOR., Prov. Phr., s.v. Perle, p. 141

So that till the nation was dispossest of this spirit, it was not fit to cast the pearl before them.

1693, W. KENNETT, Life Somner, p. 47

Bible Citations

Give not that which is holy unto the dogs, neither cast ye your pearls before swine.

— The Bible, Matt vii:6

Shakespeare Citations

Fire enough for a flint, pearl enough for a swine.

LLL, IV.ii

Cross References

Original Scan

Cast not PEARLS before swine - 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