Quote

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.

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
Relation
Primaries
Conditions
Primary
Environment
Stability
Freedom
Medium
Living
Mediums
Certain
Bodies
Surrounding
Body
Condition
Internals
Independence
Internal

More quotes by 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.
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A discovery is generally an unforeseen relation not included in theory.
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Obervation is a passive science, experimentation is an active science.
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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.
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In teaching man, experimental science results in lessening his pride more and more by proving to him every day that primary causes, like the objective reality of things, will be hidden from him forever and that he can only know relations.
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True science teaches us to doubt and, in ignorance, to refrain.
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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 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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The goal of scientific physicians in their own science ... is to reduce the indeterminate. Statistics therefore apply only to cases in which the cause of the facts observed is still indeterminate.
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The terrain is everything the germ is nothing.
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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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Priestley [said] that each discovery we make shows us many others that should be made.
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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. '
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Well-observed facts, though brought to light by passing theories, will never die they are the material on which alone the house of science will at last be built.
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We achieve more than we know. We know more than we understand. We understand more than we can explain.
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Theories are like a stairway by climbing, science widens its horizon more and more, because theories embody and necessarily include proportionately more facts as they advance.
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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.
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Mediocre men often have the most acquired knowledge
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Put off your imagination, as you put off your overcoat, when you enter the laboratory. Put it on again, as you put on your overcoat, when you leave.
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We must alter theory to adapt it to nature, but not nature to adapt it to theory.
Claude Bernard