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Claude Bernard
(12 Jul 1813 - 10 Feb 1878)
French physiologist who helped establish the principles of experimentation in the life sciences. His Introduction to the Study of Experimental Medicine (1865) is a scientific classic.
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Claude Bernard Quotes on Men Of Science (6 quotes)
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A l’aide de ces sciences expérimentales actives, l’homme devient un inventeur de phénomènes, un véritable contremaître de la création; et l'on ne saurait, sous ce rapport, assigner de limites à la puissance qu’il peut acquérir sur la nature, par les progrès futurs des sciences expérimentales
With the aid of these active experimental sciences man becomes an inventor of phenomena, a real foreman of creation; and under this head we cannot set limits to the power that he may gain over nature through future progress of the experimental sciences.
With the aid of these active experimental sciences man becomes an inventor of phenomena, a real foreman of creation; and under this head we cannot set limits to the power that he may gain over nature through future progress of the experimental sciences.
— Claude Bernard
Original French text in Introduction à l'Étude de la Médecine Expérimentale (1898), 32. English version from An Introduction to the Study of Experimental Medicine (1865), as translated by Henry Copley Greene (1957), 18.
A man of science rises ever, in seeking truth; and if he never finds it in its wholeness, he discovers nevertheless very significant fragments; and these fragments of universal truth are precisely what constitutes science.
— Claude Bernard
From An Introduction to the Study of Experimental Medicine (1927, 1957), as translated by Henry Copley Greene (1927, 1957), 222. From the original French by Claude Bernard: “le savant monte toujours en cherchant la vérité, et s'il ne la trouve jamais tout entière, il en découvre néanmoins des fragments très-importants, et ce sont précisément ces fragments de la vérité générale qui constituent la science.” (1865), 389. A Google translation gives: “The scientist always rises by seeking the truth, and if he never finds it entirely, he nevertheless discovers very important fragments of it, and it is precisely these fragments of the general truth which constitute science.”
Even mistaken hypotheses and theories are of use in leading to discoveries. This remark is true in all the sciences. The alchemists founded chemistry by pursuing chimerical problems and theories which are false. In physical science, which is more advanced than biology, we might still cite men of science who make great discoveries by relying on false theories. It seems, indeed, a necessary weakness of our mind to be able to reach truth only across a multitude of errors and obstacles.
— Claude Bernard
An Introduction to the Study of Experimental Medicine (1865, translation 1927, 1957), 170.
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.
— Claude Bernard
From An Introduction to the Study of Experimental Medicine (1865), as translated by Henry Copley Greene (reprint 1999), 42.
The doubter is a true man of science: he doubts only himself and his interpretations, but he believes in science.
— Claude Bernard
In Fielding Hudson Garrison, An Introduction to the History of Medicine (1929), 14.
When a physician is called to a patient, he should decide on the diagnosis, then the prognosis, and then the treatment. … Physicians must know the evolution of the disease, its duration and gravity in order to predict its course and outcome. Here statistics intervene to guide physicians, by teaching them the proportion of mortal cases, and if observation has also shown that the successful and unsuccessful cases can be recognized by certain signs, then the prognosis is more certain.
— Claude Bernard
From An Introduction to the Study of Experimental Medicine (1865), as translated by Henry Copley Greene (1957), 213.
See also:
- 12 Jul - short biography, births, deaths and events on date of Bernard's birth.
- Claude Bernard - context of quote The alchemists founded chemistry - Medium image (500 x 350 px)
- Claude Bernard - context of quote “The alchemists founded chemistry” - Large image (800 x 600 px)
- Claude Bernard - context of quote The experimenter - Medium image (500 x 350 px)
- Claude Bernard - context of quote The experimenter - Large image (800 x 600 px)
- Claude Bernard - context of quote Make experiments to … control our ideas - Medium image (500 x 350 px)
- Claude Bernard - context of quote Make experiments to … control our ideas - Large image (800 x 600 px)
In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
(1987) -- 
