To leave no STONE unturned

Meaning & Analysis

To physically turn over every single stone in a particular area, presumably while searching for something concealed underneath.

Insights

Exhaustive Effort

Signifies the commitment to exert every possible effort and explore every conceivable option or avenue to achieve a specific goal. It is a hallmark of thoroughness and diligence.

Meticulous Investigation

Implies a relentless and meticulous investigation, where every clue, piece of evidence, or possibility is examined in detail to uncover the truth or find a solution.

Unrelenting Perseverance

Represents an unwavering determination to succeed, suggesting a mindset that refuses to give up until all potential solutions have been tested and all obstacles have been confronted.

Classical Origins

Originating from an ancient Greek tale cited by Euripides, where the Oracle at Delphi advised a general to 'turn every stone' to find a hidden treasure, the proverb carries a classical weight. Its inclusion in Erasmus's 'Adagia' cemented its place in European intellectual tradition as a maxim for diligent inquiry.

Psychology of Determination

The proverb encapsulates a psychological state of intense, goal-oriented determination. It reflects a cognitive refusal to accept defeat prematurely, embodying a proactive and exhaustive approach to problem-solving that counters passivity and despair.

From Physical to Abstract Effort

While rooted in a tangible act of physical searching, the proverb has evolved to represent abstract endeavors like legal battles, scientific research, or strategic planning. This transition highlights the power of a concrete metaphor to articulate complex intellectual and emotional commitment.

Rhetorical Devices

Hyperbole

The phrase uses exaggeration for emphasis. The idea of literally turning over every stone in a landscape is an overstatement that effectively communicates the immense scope and totality of the effort.

Imagery

The proverb creates a powerful and simple visual of a physical search, making the abstract concept of a thorough and determined effort easy to understand and remember.

Metaphor

Each 'stone' serves as a metaphor for a potential source of information, a possible course of action, or a hidden clue. 'Turning' the stone symbolizes the act of exploring that possibility.

diligenceperseverancethoroughnessinvestigationeffortdetermination
Analyzed with gemini-2.5-pro on December 4, 2025

Transcription

Quotations

Omnem movere lapidem.

— Erasmus, Adagia 161C

I will leave no one stone unmoved to have both you and your brother saved.

c1548, LATIMER, Let. 49: Serm. and Rem., p. 427

Cibele now turne every stone, devise al manner of meanes.

1569, UNDERDOWNE, Aethiop. Hist. VIII, p. 214

Because hee would leave no stone unrolled, but trie all waies that could be devised; he commaunded certain revolts from the Saracasian.

1600, P. HOLLAND, Roman Hist. Livy XXIII, p. 565

Wee leave no stone unturned in endeavouring to procure some reliefe for our master.

1650, NICHOLAS, Corr. Mar. 2, 1 70

They did whatsoever .. wise men would do in their condition, leaving no stone unturned which might advantage them herein.

1655, FULLER, Church Hist. XI ii, III 418

Women, that left no Stone unturn'd In which the Cause might be concern'd.

1664, S. BUTLER, Hud. II ii 777, p. 182
1732, FUL., no. 5196. (16)

Original Scan

To leave no STONE unturned - 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