He that keeps another MAN's dog shall have nothing left him but the line

Meaning & Analysis

If a person takes care of a dog belonging to someone else, they will eventually have to return the dog to its owner, leaving them with only the leash (the 'line').

Insights

Unrewarded Labor

The proverb warns against investing time, effort, or resources into assets, projects, or ventures that ultimately belong to someone else. The 'dog' represents the valuable entity, while the 'line' symbolizes the worthless token left after the true owner reclaims the benefits of your labor.

Misplaced Loyalty

It serves as a caution about misplaced loyalty or effort. Caring for 'another man's dog' suggests dedicating oneself to a person, cause, or company whose primary allegiance is not to you. Ultimately, your service may not be rewarded, as the entity's fundamental loyalty lies elsewhere.

Thankless Tasks

The saying illustrates the futility of temporary stewardship without ownership. It highlights the risk of taking on responsibility for something you cannot keep, emphasizing that such thankless tasks result in a net loss of resources and effort.

Economic Pragmatism

The proverb offers a stark piece of folk wisdom about property and labor. In a pre-modern context, a dog was often a valuable working asset for hunting or guarding. To 'keep' it meant expending one's own resources (food, time) on another's property, an unwise economic decision that results in holding a worthless accessory—the leash—once the valuable asset is reclaimed by its rightful owner.

Psychology of Attachment

Psychologically, the proverb warns against forming attachments to things one does not own. The act of caring for the 'dog' can create a bond, but this bond is ultimately subordinate to the dog's loyalty to its true master. The resulting feeling of being 'left with nothing but the line' captures the emotional and material emptiness of investing in a temporary or unreciprocated relationship.

Warning Against Exploitation

This saying serves as a timeless cautionary tale against uncompensated labor and exploitation. It advises skepticism toward arrangements where one invests effort in a project or enterprise from which another person will reap the primary benefits, highlighting the risk of being left with only trivial remnants of one's contribution.

Rhetorical Devices

Metaphor

The entire proverb functions as an extended metaphor, where the 'dog' represents any valuable but borrowed asset and the 'line' symbolizes the empty, valueless proof of one's thankless effort.

Material Symbolism

The tangible image of the 'line' (leash) serves as a potent symbol of the hollow outcome. It is a concrete object that represents the abstract concepts of wasted effort, futility, and unrewarded responsibility.

Cause and Effect

The proverb's structure establishes a clear and direct relationship between an action (keeping the dog) and its negative consequence (being left with the line), making the warning feel direct and inevitable.

ownershiplaborfutilityinvestmentloyaltycaution
Analyzed with gemini-2.5-pro on September 2, 2025

Transcription

Quotations

(left but the lyne).

1623, CAM., p. 270
1639, CL., p. 20
1670, RAY, p. 81

Cross References

Original Scan

He that keeps another MAN's dog shall have nothing left him but the line - 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