Quotation archive
“Actions are right in proportion as they tend to promote happiness, wrong as they tend to produce the reverse of happiness.”
John Stuart Mill · Utilitarianism
Quote record
Author
John Stuart Mill
Source
Utilitarianism
Chapter / location
1863
Tradition
john-stuart-mill · greatest-happiness · utilitarianism · ethics · consequentialism
Source information
From Utilitarianism, 1863.
Original language: English
Translation
Translated from English into English using a named scholarly edition.
Context
The sentence is the statement of the greatest happiness principle — the "utilitarian standard" — from Mill's Utilitarianism (1863), the most influential defense of the theory. Mill defines happiness as pleasure and the absence of pain, and he holds that the rightness of the action is determined by its tendency to promote the greatest happiness of the greatest number. The sentence is the formula of the modern consequentialism, and it is among the most quoted lines in ethics.
Interpretation
Mill's statement of the greatest happiness principle: actions are right in proportion as they tend to promote happiness — the standard of utilitarianism.
Knowledge network
Related Archive Records
Quote
"Actions are right in proportion as they tend to promote happiness, wrong as they tend to produce the reverse of happiness." — John Stuart Mill, Utilitarianism (1863)
Author
John Stuart Mill (1806–1873) was the greatest English philosopher of the nineteenth century, the author of Utilitarianism, On Liberty, and the defender of the greatest happiness principle.
Source
The quotation is from Chapter 2 of Utilitarianism (1863), where Mill states the "utilitarian standard" — the greatest happiness principle. The sentence is the most quoted line in the utilitarian literature.
Context
The sentence belongs to Mill's statement and defense of the greatest happiness principle. Mill inherited the principle from Bentham — the greatest happiness of the greatest number — and he refined it in two ways: he defined happiness as pleasure and the absence of pain, and he distinguished the higher pleasures of the mind from the lower pleasures of the body — "it is better to be Socrates dissatisfied than a fool satisfied." The sentence states the principle in its simplest form: the rightness of the action is determined by its tendency to promote happiness, and the happiness counted is the happiness of all affected, impartially.
Meaning
The quotation states the utilitarian standard with complete clarity. "Actions are right in proportion as they tend to promote happiness" — the criterion: the rightness of the action is a matter of degree, measured by the tendency of the action to promote the happiness. "Wrong as they tend to produce the reverse of happiness" — the contrast: the wrongness is measured by the tendency to produce the unhappiness, the pain. The two clauses together state the consequentialism: the moral quality of the action is determined by its consequences — the happiness or the unhappiness that it tends to produce — and not by the intention, the rule, or the character. The happiness is the happiness of all those affected, counted impartially — the "greatest happiness of the greatest number" — and the standard is the foundation of the modern utilitarianism and the applied ethics that descended from it.
Related Wisdom
The quotation belongs to the utilitarian ethics of happiness and the philosophy of consequentialism. Its account of the greatest happiness connects to the application of utilitarianism and to the wider wisdom tradition's teaching on the measure of the action by its consequences.
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Archive references
Sources
- 01UtilitarianismBy John Stuart Mill1863, Chapter 2. Indianapolis: Hackett, 2001.
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Reviewed by ZHAIBIAN AI Editorial Review · 2026-08-07