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Put off your imagination, as you put off your overcoat, when you enter the laboratory. Put it on again, as you put on your overcoat, when you leave.

Claude Bernard

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Claude Bernard
Age: 64 †
Born: 1813
Born: July 12
Died: 1878
Died: February 10
Physician Writer
Physiologist
Politician
Professor
Psychologist
Overcoat
Laboratory
Enter
Leave
Imagination
Science

More quotes by Claude Bernard

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Science increases our power in proportion as it lowers our pride.
Claude Bernard
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Mediocre men often have the most acquired knowledge. It is in the darker. It is in the darker regions of science that great men are recognized they are marked by ideas which light up phenomena hitherto obscure and carry science forward.
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If I had to define life in a single phrase, I should clearly express my thought of throwing into relief one characteristic which, in my opinion, sharply differentiates biological science. I should say: life is creation.
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A great discovery is a fact whose appearance in science gives rise to shining ideas, whose light dispels many obscurities and shows us new paths.
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Those who do not know the torment of the unknown cannot have the joy of discovery.
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In the philosophic sense, observation shows and experiment teaches.
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Priestley [said] that each discovery we make shows us many others that should be made.
Claude Bernard
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Mediocre men often have the most acquired knowledge
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The better educated we are and the more acquired information we have, the better prepared shall we find our minds for making great and fruitful discoveries.
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Science does not permit exceptions.
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Men who believe too firmly in their theories, do not believe enough in the theories of others. So ... these despisers of their fellows ... make experiments only to destroy a theory, instead of to seek the truth.
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We achieve more than we know. We know more than we understand. We understand more than we can explain.
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Science admits no exceptions otherwise there would be no determinism in science, or rather, there would be no science.
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True science teaches us to doubt and, in ignorance, to refrain.
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Our ideas are only intellectual instruments which we use to break into phenomena we must change them when they have served their purpose, as we change a blunt lancet that we have used long enough.
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First causes are outside the realm of science.
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Obervation is a passive science, experimentation is an active science.
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The doubter is a true man of science: he doubts only himself and his interpretations, but he believes in science.
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Il ne fallait jamais faire des expériences pour confirmer ses idées, mais simplement pour les contrôler. We must never make experiments to confirm our ideas, but simply to control them.
Claude Bernard
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Hatred is the most clear- sighted, next to genius.
Claude Bernard