One MULE (ass, horse) does scrub (scratch, claw) another

Meaning & Analysis

Literally, it describes the common behavior of pack animals like mules or asses, which groom each other by rubbing or scratching to relieve itches in places they cannot reach themselves.

Insights

Insincere Mutual Praise

The proverb cynically describes a dynamic where individuals, often of questionable character, exchange insincere compliments or support to advance their own interests. It implies a 'you scratch my back, I'll scratch yours' arrangement based on self-interest rather than genuine admiration.

Reciprocal Aid

In a more neutral or positive sense, it signifies the necessity of mutual assistance and cooperation. Just as one mule helps another with a physical need, people must rely on each other for support, favors, and the exchange of courtesies.

Collusion Among the Unworthy

It can imply collusion, where disreputable or mediocre individuals validate one another's faults or schemes. By praising each other, they create a closed loop of affirmation that protects them from external criticism or accountability.

Creation of an Echo Chamber

Symbolizes the creation of a self-validating circle where like-minded individuals reinforce each other's biases and mediocrity, effectively 'grooming' each other's egos and shielding themselves from dissenting opinions.

Symbolism of the Mule

The choice of a mule or ass is significant. Unlike a noble horse, these animals were viewed as stubborn, lowly, and utilitarian. This grounds the proverb in a sense of common, often crude, reality, suggesting the reciprocity described is not a high-minded virtue but a pragmatic, even base, necessity.

Classical and Humanist Roots

The proverb's documentation by Erasmus in his 'Adagia' highlights its classical origins and its revival during the Renaissance. It reflects a humanist interest in observing and satirizing universal human behaviors, particularly the dynamics of flattery and social maneuvering.

Psychology of Mutual Validation

The act of 'scrubbing' points to a deep-seated psychological need for validation, especially among those who may feel insecure or are aware of their own shortcomings. The proverb captures how mutual praise can serve as a defense mechanism against criticism and self-doubt.

Satirical Social Commentary

As seen in the quotations from authors like Swift, the proverb serves as a powerful tool for social satire. It is often used to mock and expose the insincere alliances and reciprocal flattery common in political, artistic, or social circles, portraying them as crude and self-serving.

Rhetorical Devices

Animal Metaphor

The use of mules or asses to represent human behavior creates a vivid and slightly demeaning comparison, effectively conveying the cynical and unflattering nature of the mutual praise being described.

Tactile Imagery

The words 'scrub', 'scratch', and 'claw' evoke a rough, physical, and almost crude sensation. This tactile imagery reinforces the idea that the mutual support is not gentle or refined but a coarse, practical, and self-interested transaction.

Parallelism

The balanced structure 'One MULE... another' creates a simple, memorable rhythm that perfectly mirrors the reciprocal action it describes, making the proverb easy to remember and apply.

reciprocityflatterycollusionsatireself-interestcooperation
Analyzed with gemini-2.5-pro on October 4, 2025

Transcription

Quotations

Mutuum muli scabunt.

— Erasmus, Adagia 300A

Surely mules scratche of eche other scabes or scurfes merylye.

1540, PALSGRAVE, Acolastus, IV ii, p. 129

Mules doo gnappe one another. A prouerbe applyed to persons yll and defamed, when one of them commendeth the other.

1545, COOPER, s.v. Muli

[As in Eras.] One moile claweth an other.

1552, TAV., f. 65v

Why . . one of you might claw and rubbe an others backe well enough, So wisely did he delude the practise o Parasites, according to the old prouerb.

1584, T. COGAN, Haven Health, I, p. 5

Hee puffes and blowes ouer your horse . . and leaues much of the dressing to the prouerbe of Muli Mutuo scabient, One horse rubs another.

1614, OVERBURY, Ostler, Char., p. 72

I haue often read this greeke Prouerb . . that is, one hand washeth another, and in Latine, Mulus mulum scabit . . by which the Ancients signified that courtesies done vnto friends, ought to bee requited with reciprocal offices of friendship.

1616, CORYATE, Trav. Eng. Wits, p. 37

I need not flatter these, they’ll do’t themselves, And cross the prouerb that was wont to say, One mule doth scrub another; here each ass Hath learn’d to claw him-self.

1639, T. RANDOLPH, Muses’ Look. Glass, III iv, p. 235

Asses scratch one another.

1666, TOR., It. Prov., 27, p. 15

Well, she and Tom Gosling were banging compliments backward and forward: it looked like two asses scrubbing one another.

1738, SWIFT, Pol. Conv., III, p. 460

Cross References

Original Scan

One MULE (ass, horse) does scrub (scratch, claw) another - a scanned entry from Tilley's 1950 Dictionary of Proverbs.
Scan courtesy of HathiTrust Digital Library.
Used under CC BY-NC 3.0.

© 2026 TilleyProverbs.com · About

Last updated: January 27, 2026