To doubt everything and to believe everything are two equally convenient solutions; each saves us from thinking.

Douter de tout ou tout croire, ce sont deux solutions également commodes, qui l'une et l'autre nous dispensent de réfléchir.

Henri Poincaré

Science and Hypothesis

More information about this quote

Topic

Critical thinking Doubt and skepticism Credulity

Author

Henri Poincaré

Source

Science and Hypothesis

Genre

Scientific literature

Language

French

Time

1902 1900s 20th century

Occupation

Mathematician Philosopher Scientist

From

France Europe

Authentication Score 2

Original Citation

Poincare, Henri. La science et l'hypothese [Science and Hypothesis]. Flammarion, 1902, introduction.

Current Citation

Poincare, Henri. Science and Hypothesis: The Complete Text, translated by Melanie Frappier, Andrea Smith and David J. Stump, edited by Melanie Frappier and David J. Stump. Bloomsbury Academic, 2022, preface.

Illustrated Quote

A quote by Henri Poincaré about critical thinking: “To doubt everything and to believe everything are two equally…”
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A quote by Henri Poincaré about critical thinking: “To doubt everything and to believe everything are two equally…”
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A quote by Henri Poincaré about critical thinking: “To doubt everything and to believe everything are two equally…”
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Related Quotes

Below are one or more quotes that share at least one tag with the quote at the top of the page

Another quote from the 1900s

Although the world is full of suffering, it is full also of the overcoming of it.

Helen Keller

Optimism

More information about this quote
Topic
Overcoming adversity

Author

Helen Keller
Source
Optimism
Medium
Essay
Language
English
Time
1903 1900s 20th century
Authentication Score 3
Original Citation

Keller, Helen. Optimism. T. Y. Crowell and Company, 1903, pt. 1.

Current Citation

Keller, Helen. "Optimism." The World I Live In and Optimism: A Collection of Essays. Dover Publications, 2010, pt. 1.

Another quote originally in French

Theory of the true civilization.
It is not to be found in gas or steam or table turning, It consists in the diminution of the traces of original sin.

Charles Baudelaire

More information about this quote
Topic
Civilization

Author

Charles Baudelaire
Language
French
Time
1867 1860s 19th century
Authentication Score 3
Original Citation

Baudelaire, Charles. Mon Coeur mis a nu [My Naked Heart]. Paris, 1887, no. 58.

Current Citation

Baudelaire, Charles. "My Heart Laid Bare." Late Fragments: Flares, My Heart Laid Bare, Prose Poems, Belgium Disrobed, translated by Richard Sieburth. Yale University Press, 2022, no. 58.