"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."

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Source : Henri Poincare (2012). “The Value of Science: Essential Writings of Henri Poincare”, p.192, Modern Library

Henri Poincare

#Men Quotes #Ideas Quotes #Use Quotes

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