He that washes an ASS's head loses both his soap and labor

Meaning & Analysis

Attempting to wash an ass’s head is futile—neither the soap nor the effort yields a meaningful result.

Insights

Futility of Reform

This proverb warns that trying to refine or improve the inherently ignorant or incorrigible is a waste of time and resources.

Intractability of Nature

Emphasizes that some beings or people are simply not receptive to change, no matter how much energy is invested in their improvement.

Misapplied Effort

Critiques the misdirection of good effort or intention toward an unworthy or unreceptive object, urging discernment in where to invest one’s labor.

Longstanding Cynicism

The proverb reflects deep-rooted folk skepticism about the possibility of moral or intellectual transformation in those seen as fundamentally lacking—especially fools or the morally bankrupt.

Moral Economy of Labor

Underlying the proverb is a principle of efficiency: that labor and tools (soap, effort) should not be squandered on fruitless endeavors, emphasizing prudence and realism in moral and educational investments.

Symbolic Animal Typology

The ass, emblematic of stupidity and resistance, serves as a timeless metaphor for the unteachable or irredeemable, allowing this proverb to critique both social and intellectual pretensions with bite.

Rhetorical Devices

Metaphor

The act of washing an ass's head symbolizes the attempt to cultivate reason or virtue in the incapable, making the physical task an emblem of moral futility.

Parallelism

The phrase balances 'soap' and 'labor' as parallel losses, enhancing rhythm and reinforcing the proverb’s theme of double waste.

Alliteration

The repetition of the 'l' sounds in 'loses,' 'labor,' and 'soap' adds musicality and helps fix the message in memory.

futilityignoranceeffortresistancerealismwaste
Analyzed with gpt-4o on July 10, 2025

Transcription

Quotations

Who washeth an Asses head, loseth both labour and sope.

1578, FLOR., First F. XIX, f. 34

Who washeth the Asses eares, looseth both his Sope and his labour.

1592, LODGE, Euph. Shadow, p. 53

A laver la test d'un asne, on ne perd que le temps et la lexive.

c1594, BACON, no. 1578

*In vaine one striues to make learned a sottish, or make honest a gracelesse, person.

1611, COT., s.v. Asne
1639, CL., p. 155

To wash an Asses head, one doth but lose sope and time.

1659, HOW., Fr. Prov., p. 10

Sope is lost on the head of an Ass.

1659, HOW., Span. Prov., p. 3

I find the old proverb true that he who washeth an asse's head doth lose both time and sope.

1660, J. HOWELL, Parley Beasts III, p. 28

[As in 1659 How. Span. Prov.].

1664, COD., p. 211

Who washeth an asses head, loseth his soap, and who preacheth to a desart, loseth his speech.

1666, TOR., It. Prov. 16, p. 15

Cross References

  • See DÜR., I, Suppl., no. 435.

Original Scan

He that washes an ASS's head loses both his soap and labor - 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