Meaning & Analysis
A person who has demonstrated themselves to be a knave (a dishonest or unscrupulous person) will remain one for their entire life; their fundamental character is unchangeable.
Insights
Immutability of Character
The proverb suggests that a person's core nature is immutable. An act of dishonesty is not a mere mistake but a revelation of a permanent, unchangeable character flaw.
The Weight of Reputation
It functions as a warning about the permanence of reputation. Once a person is labeled as untrustworthy, that social judgment becomes an inescapable identity that follows them forever.
Skepticism of Redemption
The saying expresses a deep pessimism about the potential for human redemption. It advises that offering trust to someone who has once betrayed it is futile, as their behavior is bound to repeat.
Historical Determinism
The proverb reflects a deterministic worldview where character is seen as fixed. The term 'knave' itself evolved from meaning a male servant to a scoundrel, and the proverb captures the moment this meaning solidified, suggesting that one's moral station, like one's social station, is permanent.
Psychology of Judgment
This saying exemplifies the fundamental attribution error, a psychological tendency to attribute a person's actions to their intrinsic character rather than external circumstances. It simplifies social judgment but fosters a cynical view of human nature.
Cultural Moralism
The parallel proverb 'Once a whore and ever a whore' highlights a rigid, unforgiving moral code applied to both male integrity and female chastity, revealing a societal belief that certain transgressions permanently stain one's identity.
Rhetorical Devices
Parallelism
The balanced structure 'Once a... and ever a...' creates a powerful, memorable rhythm that reinforces the idea of an inescapable fate.
Epanalepsis
The repetition of 'knave' at both the beginning and the end of the phrase creates a definitive, closed loop, rhetorically sealing the person's fate.
Aphoristic Statement
The proverb's absolute and concise nature makes it a powerful tool of social condemnation, leaving no room for nuance or argument.
Transcription
Quotations
My Lord, my first beginning was a Broker. —A knave from the beginning; there’s no hope of him.
(and never an honest man)
He that lives a Knave, will hardly die an honest Man.
Cross References
- See St., no. 416.
- W321 Once a whore and ever a whore.
Related Proverbs
Original Scan

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