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Quotation from Science and Hypothesis by Henri Poincare

“To doubt everything or to believe everything are two equally convenient solutions ; both dispense with the necessity of reflection.”

Henri Poincare

Science and Hypothesis, Author's Preface, trans. W. J. Greenstreet

Portrait of Henri Poincare

Poincaré rejects both dogmatic confidence in science and sweeping scepticism about it.

Citation: "To doubt everything or to believe everything are two equally convenient solutions ; both dispense with the necessity of reflection." — Henri Poincare, Science and Hypothesis, Author's Preface, trans. W. J. Greenstreet. (id poincare-science-and-hypothesis-q1)

Portrait: Henri Poincaré, PA03199, Henri Manuel, Public domain.

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Quote card: To doubt everything or to believe everything are two equally convenient solution