"Proof that a given condition always precedes or……" — Claude Bernard
"Proof that a given condition always precedes or accompanies a phenomenon does not warrant concluding with certainty that a given condition is the immediate cause of that phenomenon. It must still be established that when this condition is removed, the phenomen will no longer appear."
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Claude Bernard
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79 Quotes by Claude Bernard
Claude Bernard has 79 quotes on this site.
A few more worth reading:
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It is what we know already that often prevents us from learning.
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Put off your imagination, as you put off your overcoat, when you enter the laboratory. Put it on again, as…
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The investigator should have a robust faith - and yet not believe.
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A fact in itself is nothing. It is valuable only for the idea attached to it, or for the proof…
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Science does not permit exceptions.
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In teaching man, experimental science results in lessening his pride more and more by proving to him every day that…
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In the philosophic sense, observation shows and experiment teaches.
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Man does not limit himself to seeing; he thinks and insists on learning the meaning of phenomena whose existence has…
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Obervation is a passive science, experimentation is an active science.
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We must never make experiments to confirm our ideas, but simply to control them.
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It is impossible to devise an experiment without a preconceived idea; devising an experiment, we said, is putting a question;…
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Even mistaken hypotheses and theories are of use in leading to discoveries. This remark is true in all the sciences.…
See all 79 quotes by Claude Bernard »
More Accompanies Quotes
This quote is filed under Accompanies Quotes,
one of 76 quotes in that category. Here are a few more:
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All too often arrogance accompanies strength, and we must never assume that justice is on the side of the strong.…
— Theodore Bikel
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The leading idea which is present in all our [geological] researches, and which accompanies every fresh observation, the sound of…
— George Julius Poulett Scrope
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Anyone who has obeyed nature by transmitting a piece of gossip experiences the explosive relief that accompanies the satisfying of…
— Primo Levi
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Scores do not reveal the most important facts about a wine. The written commentary (tasting notes) that accompanies the ratings…
— Robert M. Parker, Jr.
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It was the hour in which objects lose the consistency of shadow that accompanies them during the night and gradually…
— Italo Calvino
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Nothing quenches the thirst like a wheat beer, or sharpens the appetite like an India pale ale. Nothing goes as…
— Michael Jackson
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We cannot escape fear. We can only transform it into a companion that accompanies us on all our exciting adventures.
— Susan Jeffers
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This worship, given therefore to the Trinity of the Father and of the Son and of the Holy Spirit, above…
— Pope John Paul II
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About the time I turned 50, I experienced the profound biological change that often accompanies women at that age. Also,…
— Jane Pauley
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Beer has long been the prime lubricant in our social intercourse and the sacred throat-anointing fluid that accompanies the ritual…
— Rennie Ellis
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Shallow understanding accompanies poor compassion; great understanding goes with great compassion.
— Nhat Hanh
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A just and reasonable modesty does not only recommend eloquence, but sets off every great talent which a man can…
— Joseph Addison
See all 76 Accompanies Quotes »