Étienne Bonnot de Condillac

French academic

  • Fame54.1
  • Momentum0.0
  • Wikipedia3.8K
Source-basedStable
Lived 1714–1780, aged 66France
  • Wikipedia
    43 languages
    Cross-language footprint
  • Era
    1714–1780
    Aged 66
Summary
Updated 2026-06-11

A French philosopher who turned his attention inward — not to theology but to the mechanics of the mind itself, asking how thought forms and what psychology might mean before the word had settled.

Biography

About

Étienne Bonnot de Condillac was born on 30 September 1714 in France and became both a Catholic priest and a philosopher, though his clerical vocation never defined his intellectual one. He devoted his work to psychology and the philosophy of the mind, probing questions about perception, language, and how human understanding builds itself from sensation. His inquiries belonged to the Enlightenment's broader turn toward empiricism, but he carved his own path through the thickets of consciousness. He died on either 2 or 3 August 1780, the exact date lost to the gap between records.

Voice

In their own words

Sourced, dated quotes from Étienne Bonnot de Condillac

Étienne Bonnot de Condillac
said
It is not true that on an exchange of commodities we give value for value. On the contrary, each of the two contracting parties in every case, gives a less for a greater value.
Le Commerce et le Gouvernement (1776), as quoted in Marx's Capital, Vol. I, Ch. 5.
Étienne Bonnot de Condillac
saidundated
The art of reasoning is nothing more than a language well arranged.
As quoted in Antoine Lavoisier, Elements of Chemistry (trans. Robert Kerr, 1790), Preface, p. xiv.
Étienne Bonnot de Condillac
saidundated
We shall not … begin this logic by definitions, axioms, or principles; we shall begin by observing the lessons which nature gives us.
The Logic of Condillac (trans. Joseph Neef, 1809), "Of the Method of Thinking", p. 3.
Étienne Bonnot de Condillac
saidundated
The tone in which an Englishman expresses anger would, in Italy, be only a mark of surprise.
As quoted in David Booth, The principles of English composition (1831), p. 8.
Étienne Bonnot de Condillac
saidundated
Our ideas are transformed sensations.
As quoted in Treasury of Wisdom, Wit and Humor, Odd Comparisons and Proverbs (1878), p. 204.
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Fame
Stable
54.1
Composite of search demand, mentions, audience & graph footprint.
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Momentum0.0
Historical23.9
Now attention0.2
Source confidence60.0
Completeness70.0
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Sources

  • Wikidata
    wikidata · wikidata.org
    High confidence
  • Wikipedia
    wikipedia · en.wikipedia.org
    High confidence
  • Pantheon 2.0
    database · pantheon.world
    High confidence