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Who really said it

Ask yourself whether you are happy, and you cease to be so

Written by John Stuart Mill 1806–1873 · English philosopher, political economist & MP
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From Mill’s Autobiography (Chapter 5, “A Crisis in My Mental History”), published posthumously in 1873. The line is confirmed verbatim in the primary text, where it states his “anti-self-consciousness” view — the paradox that happiness pursued directly slips away.

Last verified 10 Jul 2026 · how we verify · spot an error?

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“Ask yourself whether you are happy, and you cease to be so” John Stuart Mill, Autobiography (1873), ch. 5

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Provenance

The source

Work
Autobiography
Chapter
Ch. 5, “A Crisis in My Mental History. One Stage Onward”
First published
1873 (posthumously; Mill died 7 May 1873)
Author
John Stuart Mill (1806–1873)

They will not bear a scrutinizing examination. Ask yourself whether you are happy, and you cease to be so. The only chance is to treat, not happiness, but some end external to it, as the purpose of life.

Mill is describing the theory of life he adopted after his mental crisis of 1826–27: that the “enjoyments of life … are sufficient … when they are taken en passant, without being made a principal object,” but collapse the moment they are made the direct aim.

Full text of Autobiography, Chapter 5 (utilitarianism.com)

How we verified this

  • The line appears verbatim in Mill’s Autobiography, Chapter 5, in the passage on his recovery from his mental crisis.
  • Independently confirmed in the University of Texas transcription of Autobiography, Chapter 5, with identical wording and punctuation.
  • The Autobiography was published in 1873, the year of Mill’s death, placing the text firmly in the public domain.
Public domain

Mill’s Autobiography was first published in 1873, well before the 1931 cutoff, so the English text is in the public domain in the United States.

Context

Why it mattered

The sentence sits at the heart of Mill’s account of his mental breakdown. Trained from infancy to be a reasoning machine for utilitarian reform, he asked himself around 1826 whether achieving all his goals would make him happy — and an “irrepressible self-consciousness distinctly answered, ‘No!’” The crisis nearly undid him.

His way out was what he later found echoed in Carlyle: the “anti-self-consciousness theory.” Those are happiest, Mill concluded, whose minds are fixed on some end other than their own happiness — happiness is caught obliquely, “by the way,” never by direct pursuit. The line is the classic English statement of what philosophers call the paradox of hedonism.

Ask yourself whether you are happy, and you cease to be so.

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Filed under

More provenance-checked quotes on the same theme, each with its reuse status.

Happiness Wisdom

Go further

Dig deeper

Trusted places to keep pulling the thread — primary archives, fact-checks, and scholarship. We show how we used each one before you leave.

Autobiography, Ch. 5 (full text)utilitarianism.com

Complete text of the chapter containing the quote, in context.
Autobiography, Ch. 5 (UT Austin)laits.utexas.edu

Independent scholarly transcription confirming the exact wording.
Autobiography (Project Gutenberg)gutenberg.org

Free public-domain e-text of the complete Autobiography.
John Stuart Millen.wikipedia.org

Biography and overview of Mill’s life, works, and the 1873 Autobiography.
John Stuart Mill quotesbritannica.com

Encyclopaedia Britannica’s curated list of sourced Mill quotations.

The author

About John Stuart Mill

John Stuart Mill

1806–1873 · English philosopher, political economist & Member of Parliament

John Stuart Mill was the leading English-language philosopher of the 19th century, a defender of individual liberty, utilitarian ethics, and women’s suffrage. Raised on an intense, isolating education engineered by his father James Mill, he suffered a famous depressive crisis in his early twenties that reshaped his thinking about happiness. His Autobiography (1873), On Liberty (1859), and Utilitarianism (1861) remain central texts of liberal thought.

For writers & researchers

Cite this

Primary source — Chicago

John Stuart Mill, Autobiography (London: Longmans, Green, Reader, and Dyer, 1873), ch. 5, “A Crisis in My Mental History.”

MLA (9th ed.)

Mill, John Stuart. Autobiography. Longmans, Green, Reader, and Dyer, 1873.

APA (7th ed.)

Mill, J. S. (1873). Autobiography. Longmans, Green, Reader, and Dyer.

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Quotle.info. “Who really said ‘Ask yourself whether you are happy, and you cease to be so’?” Last verified 10 Jul 2026. https://quotle.info/who-said/ask-yourself-whether-you-are-happy-and-you-cease-to-be-so

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