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In the philosophic sense, observation shows and experiment teaches.

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
Shows
Philosophic
Experiment
Teaches
Observation
Experiments
Teach
Science
Sense

More quotes by 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.
Claude Bernard
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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.
Claude Bernard
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We achieve more than we know. We know more than we understand. We understand more than we can explain.
Claude Bernard
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We must alter theory to adapt it to nature, but not nature to adapt it to theory.
Claude Bernard
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The terrain is everything the germ is nothing.
Claude Bernard
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Science increases our power in proportion as it lowers our pride.
Claude Bernard
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The fact that knowledge endlessly recedes as the investigator is about to grasp it is what constitutes at the same time his torment and happiness.
Claude Bernard
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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.
Claude Bernard
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The science of life is a superb and dazzlingly lighted hall which may be reached only by passing through a long and ghastly kitchen.
Claude Bernard
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First causes are outside the realm of science.
Claude Bernard
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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.
Claude Bernard
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Obervation is a passive science, experimentation is an active science.
Claude Bernard
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The experimenter who does not know what he is looking for will not understand what he finds.
Claude Bernard
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Mediocre men often have the most acquired knowledge
Claude Bernard
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The doubter is a true man of science: he doubts only himself and his interpretations, but he believes in science.
Claude Bernard
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Science rejects the indeterminate.
Claude Bernard
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Progress is achieved by exchanging our theories for new ones which go further than the old, until we find one based on a larger number of facts. ... Theories are only 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
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A contemporary poet has characterized this sense of the personality of art and of the impersonality of science in these words,-'Art is myself science is ourselves. '
Claude Bernard
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Effects vary with the conditions which bring them to pass, but laws do not vary. Physiological and pathological states are ruled by the same forces they differ only because of the special conditions under which the vital laws manifest themselves.
Claude Bernard
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In a word, I consider hospitals only as the entrance to scientific medicine they are the first field of observation which a physician enters but the true sanctuary of medical science is a laboratory only there can he seek explanations of life in the normal and pathological states by means of experimental analysis.
Claude Bernard