Meaning & Analysis
The repeated practice of a wrongful act (a 'sin') can make it so familiar and commonplace that it is no longer recognized or felt to be wrong.
Insights
Moral Desensitization
The proverb describes the process of moral erosion. Continuous exposure to unethical behavior, whether in oneself or in society, numbs the conscience and blurs the lines between right and wrong, making transgressions seem acceptable or normal.
The Normalization of Deviance
It illustrates how societal norms can shift to incorporate behaviors previously considered deviant or immoral. What was once a transgression can become an accepted part of the cultural fabric, legitimized through widespread practice.
Conformity vs. Conscience
The proverb highlights the conflict between social pressure and individual morality. It suggests that the power of tradition and the desire to conform ('custom') can overwhelm and silence a person's inner moral compass.
The Automaton of Habit
On a personal level, it speaks to the power of habit to bypass moral reflection. An action, through endless repetition, becomes automatic and unconscious, performed without any consideration of its ethical implications.
Theological and Literary Context
Rooted in a theological framework where 'sin' is an objective transgression, the proverb reflects post-Reformation anxieties about the gradual erosion of moral clarity. It warns that societal habits can corrupt the individual conscience, a theme powerfully explored by Shakespeare, who personifies 'damned custom' as a monster that consumes moral sensitivity.
Social and Political Critique
The proverb is a timeless critique of social normalization, relevant to any era. Practices once considered abhorrent can become accepted traditions through sheer repetition and societal acquiescence, illustrating how collective desensitization can perpetuate injustice.
Psychology of Desensitization
This proverb perfectly articulates the psychological principle of habituation. Repeated exposure to a stimulus—in this case, an immoral act—diminishes our emotional and cognitive response. The 'feeling of the sin', as a 1592 quotation notes, is erased, leaving only the unthinking habit.
Rhetorical Devices
Paradox
The proverb presents a startling paradox by equating 'sin' with 'no sin'. This logical contradiction forces the listener to contemplate how something can be its opposite, powerfully highlighting the transformative power of custom.
Antithesis
A sharp contrast is drawn between 'custom' (an external, social force) and 'sin' (an internal, moral state), creating a tension that underscores the central theme of moral corruption.
Personification
'Custom' is treated as an active agent with the power to nullify sin. This personification gives the abstract concept of social habit a tangible and formidable force.
Transcription
Quotations
But use of evil maketh us think it no abuse, sins oft assayed are thought to be no sin.
Custome . . in continuance remoues all sent of sower.
Custome of sin, tooke away the feeling of the sin.
Our sins by custome, seeme (at last) but small.
Custome hath rocked him asleepe in the cradle of his sinnes.
Hence strumpet! use of sin makes thee past shame.
Custom is generally too hard for Conscience.
Shakespeare Citations
If damned custom have not braz'd it so That it is proof and bulwark against sense.
That monster, custom, who all sense doth eat Of habits evil.
Nature her custom holds, Let shame say what it will.
By custom what they did begin Was with long use account'd no sin.
But that our feasts In every mess have folly, and the feeders Digest it with a custom, I should blush To see you so attir'd.
Cross References
Related Proverbs
Original Scan


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