Meaning & Analysis
A person's self-interest is a reliable and truthful indicator of their underlying motivations and intentions; it cannot be deceptive.
Insights
The Infallible Motivator
The proverb asserts that the ultimate, unvarnished truth of human motivation is self-interest. Unlike words, which can deceive, one's personal advantage is a dependable guide to their genuine intentions and future behavior.
A Predictive Tool
It functions as a pragmatic, if cynical, tool for predicting behavior. By understanding what benefits a person, one can forecast their actions more accurately than by trusting their promises or moral claims.
The Compelling Force
Interest is portrayed as a powerful, almost irresistible force that can compel individuals to act, even causing them to override their professed principles or moral scruples when a personal benefit is at stake.
Historical and Philosophical Context
This proverb reflects the intellectual climate of early modern England, aligning with the rise of economic individualism and political realism seen in the works of thinkers like Thomas Hobbes. It posits self-interest not merely as a motive, but as a fundamental law of human nature.
Principle of Political Realism
The proverb serves as a foundational principle for political realism (Realpolitik), suggesting that the most reliable way to understand the actions of individuals or nations is to analyze their underlying interests, rather than their stated ideologies or moral positions.
Psychological Truth
Psychologically, the proverb points to the concept of motivated reasoning, where an individual’s desires and benefits shape their actions and justifications. It suggests that self-interest is an incorruptible, core driver that operates beneath layers of social pretense.
Rhetorical Devices
Personification
The abstract concept of 'Interest' is given the human quality of being unable to lie, personifying it as an active, authoritative force that dictates truth and action.
Aphoristic Brevity
The statement's power comes from its direct, concise, and aphoristic structure. Its brevity makes it sound like an irrefutable law of human behavior.
Negative Assertion
By stating what interest 'will not' do (lie), the proverb uses a negative construction to make a powerful positive assertion about its truthfulness, a rhetorical strategy that adds emphasis.
Transcription
Quotations
Interest will not lie, every Man will be for his own Interest.
Our English proverb is, Interest will not lie; interest will make a man do that which otherwise he would not do.
'Tis a common Proverb, that Interest will not Lye.
Related Proverbs
Original Scan

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