Quotations by Bernard, Claude


Ardent desire for knowledge, in fact, is the one motive attracting and supporting investigators in their efforts; and just this knowledge, really grasped and yet always flying before them, becomes at once their sole torment and their sole happiness …. 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 (1813-1878) French physiologist, scientist
An Introduction to the Study of Experimental Medicine [Introduction à l’Étude de la Médecine Expérimentale] (1865)
Added on 19-Dec-14 | Last updated 19-Dec-14
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When we meet a fact which contradicts a prevailing theory, we must accept the fact and abandon the theory, even when the theory is supported by great names and generally accepted.

Claude Bernard (1813-1878) French physiologist, scientist
An Introduction to the Study of Experimental Medicine [Introduction à l’Étude de la Médecine Expérimentale] (1865)
Added on 16-Jan-15 | Last updated 16-Jan-15
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Theories are only verified hypotheses, verified by more or less numerous facts. Those verified by the most facts are the best, but even then they are never final, never to be absolutely believed.

Claude Bernard (1813-1878) French physiologist, scientist
An Introduction to the Study of Experimental Medicine [Introduction à l’Étude de la Médecine Expérimentale] (1865)
Added on 23-Jan-15 | Last updated 23-Jan-15
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Indeed, 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 phenomenon will no longer appear.

Claude Bernard (1813-1878) French physiologist, scientist
An Introduction to the Study of Experimental Medicine [Introduction à l’Étude de la Médecine Expérimentale] (1865)
Added on 30-Jan-15 | Last updated 30-Jan-15
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Science increases our power in proportion as it lowers our pride.

Claude Bernard (1813-1878) French physiologist, scientist
Bulletin of New York Academy of Medicine, Vol. 4 (1928)
Added on 6-Feb-15 | Last updated 6-Feb-15
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Man can learn nothing unless he proceeds from the known to the unknown.

Claude Bernard (1813-1878) French physiologist, scientist
Bulletin of New York Academy of Medicine, Vol. 4 (1928)
Added on 20-Feb-15 | Last updated 20-Feb-15
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A modern poet has characterized the personality of art and the impersonality of science as follows: Art is I: Science is We.

Claude Bernard (1813-1878) French physiologist, scientist
Bulletin of New York Academy of Medicine, Vol. IV (1928)

Often only the summary at the end is quoted.
Added on 9-Dec-14 | Last updated 9-Dec-14
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Science admits no exceptions; otherwise there would be no determinism in science, or rather, there would be no science.

Claude Bernard (1813-1878) French physiologist, scientist
Leçons de Pathologie Expérimentale (1872)
Added on 26-Dec-14 | Last updated 26-Dec-14
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