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Conception Quote by Henri Poincare

“It is often said that experiments should be made without preconceived ideas. That is impossible. Not only would it make every experiment fruitless, but even if we wished to do so, it could not be done. Every man has his own conception of the world, and this he cannot so easily lay aside. We must…” quote by Henri Poincare
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“It is often said that experiments should be made without preconceived ideas. That is impossible. Not only would it make every experiment fruitless, but even if we wished to do so, it could not be done. Every man has his own conception of the world, and this he cannot so easily lay aside. We must, example, use language, and our language is necessarily steeped in preconceived ideas. Only they are unconscious preconceived ideas, which are a thousand times the most dangerous of all.”

Henri Poincare

About This Quote

Source Book: Science and Method, 1908

Experiments cannot be free of preconceived ideas; language and unconscious biases shape all inquiry, making true objectivity impossible.

In simple terms: Experiments are always influenced by prior ideas and language.

Key Takeaway

Accept inherent bias in research.

Themes

science philosophy bias

Mood

analytical critical

Type

philosophical scientific

When to use this quote

  • laboratory work
  • theoretical modeling
  • peer review

Key Concepts

methodology language unconscious assumptions

Questions to Reflect On

  • How can we mitigate bias?
  • What role does language play in shaping thought?
A Different Perspective

Complete neutrality is unattainable.

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