Everyone has a FOOL in his sleeve

Meaning & Analysis

Every person carries some folly or foolishness within themselves, whether or not it is visible to others.

Insights

Universal Imperfection

The proverb suggests that folly is a universal trait; no one is entirely free from foolishness, even if it is concealed or kept private.

Hidden Weakness

It also points to the tendency to hide one’s flaws or foolish impulses, as if tucking them away up a sleeve, only to be revealed at unexpected moments.

Moral Humility

The saying serves as a gentle reminder against self-righteousness, fostering humility by acknowledging that all people, regardless of outward appearance, are prone to error and folly.

Idiomatic Roots

The 'in his sleeve' idiom draws from early modern fashion (where sleeves were large and might conceal things) and trickster traditions, suggesting that folly is both close at hand and easily hidden from view.

Psychological Universality

Psychologically, the proverb aligns with the modern understanding that everyone harbors blind spots or irrational tendencies—our personal 'fools'—despite efforts to present ourselves as rational and composed.

Rhetorical Devices

Metaphor

The 'fool in his sleeve' is a vivid metaphor for hidden folly, making an abstract quality tangible and memorable.

Universality

The use of 'everyone' gives the proverb sweeping applicability, reinforcing its role as a communal or egalitarian observation.

Euphemism

By using playful imagery, the proverb gently addresses human weakness without harshness or blame.

follyuniversalityhumilityweaknesspsychologyself-awareness
Analyzed with gpt-4.1 on July 12, 2025

Transcription

Quotations

1640, HERB., no. 875
1658, EDMONDSON, Comes Fac. in Via, p. 308
1659, HOW., Eng. Prov., p. 18
1659, HOW., Span. Prov., p. 18
1659, N.R., p. 30
1664, COD., p. 192
1666, TOR., It. Prov., 10, p. 147

(Every man hath)

1670, RAY, p. 91

(Every Man has)

1687, MIEGE, s.v. Fool

(Every man has)

1710, PALMER, p. 55

(Every Man hath)

1732, FUL., no. 1424

Cross References

  • See St., no. 30.

Original Scan

Everyone has a FOOL in his sleeve - 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