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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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Claude Bernard
Age: 64 †
Born: 1813
Born: July 12
Died: 1878
Died: February 10
Physician Writer
Physiologist
Politician
Professor
Psychologist
Effects
Differ
Conditions
Ruled
Bring
Vary
Special
Manifest
Law
Vital
Force
Forces
Science
Pass
Pathological
States
Laws
Physiological

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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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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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True science teaches us to doubt and, in ignorance, to refrain.
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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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Obervation is a passive science, experimentation is an active science.
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First causes are outside the realm of science.
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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.
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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.
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It is what we know already that often prevents us from learning.
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Mediocre men often have the most acquired knowledge
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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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The terrain is everything the germ is nothing.
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Science increases our power in proportion as it lowers our pride.
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Those who do not know the torment of the unknown cannot have the joy of discovery.
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The experimenter who does not know what he is looking for will not understand what he finds.
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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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The stability of the internal medium is a primary condition for the freedom and independence of certain living bodies in relation to the environment surrounding them.
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Hatred is the most clear- sighted, next to genius.
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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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