Henri Poincaré

Explore 5 quotes by Henri Poincaré

Thought is only a gleam in the midst of a long night. But it is this gleam which is everything.

Henri Poincaré

The Value of Science

Read The Value of Science at Project Gutenberg

More information about this quote

Topic

Power of thought

Author

Henri Poincaré

Source

The Value of Science

Genre

Scientific literature

Language

French

Time

1905 1900s 20th century

Authentication Score 3

Original Citation

Poincare, Henri. Valeur de la Science [The Value of Science]. Flammarion, 1904, ch. 11.

Current Citation

Poincare, Henri. The Value of Science: Essential Writings of Henri Poincare, edited by Stephen Jay Gould. Random House Publishing Group, 2001.

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

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

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.

The scientist does not study nature because it is useful to do so. He studies it because he takes pleasure in it, and he takes pleasure in it because it is beautiful. If nature were not beautiful, it would not be worth knowing, and life would not be worth living.

Henri Poincaré

Science and Method

More information about this quote

Topic

Beauty of nature Nature

Author

Henri Poincaré

Source

Science and Method

Genre

Scientific literature

Language

French

Time

1908 1900s 20th century

Authentication Score 3

Citation

Poincare, Henri. Science et methode [Science and Method]. Flammarion, 1914, bk. 1, ch. 3.

Discovery is discernment, selection.

Henri Poincaré

Science and Method

More information about this quote

Topic

Discovery

Author

Henri Poincaré

Source

Science and Method

Genre

Scientific literature

Statement Type

Definition

Language

French

Time

1908 1900s 20th century

Authentication Score 3

Citation

Poincare, Henri. Science et methode [Science and Method]. Flammarion, 1914, bk. 1, ch. 3.

Science is built up with facts, as a house is with stones. But a collection of facts is no more a science than a heap of stones is a house.

Henri Poincaré

More information about this quote

Topic

Science

Author

Henri Poincaré

Source

Science and the Hypothesis

Genre

Scientific literature

Language

French

Time

1901 1900s 20th century

Authentication Score 2

Original Citation

Poincare, Henri. La science et l'hypothese [Science and Hypothesis]. Flammarion, 1902, ch. 9.

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, ch. 9.