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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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Claude Bernard
Age: 64 †
Born: 1813
Born: July 12
Died: 1878
Died: February 10
Physician Writer
Physiologist
Politician
Professor
Psychologist
Experimenter
Finds
Looking
Understand
Science
Doe

More quotes by Claude Bernard

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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.
Claude Bernard
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In the philosophic sense, observation shows and experiment teaches.
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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In these researches I followed the principles of the experimental method that we have established, i.e., that, in presence of a well-noted, new fact which contradicts a theory, instead of keeping the theory and abandoning the fact, I should keep and study the fact, and I hastened to give up the theory.
Claude Bernard
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It is what we know already that often prevents us from learning.
Claude Bernard
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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.
Claude Bernard
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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.
Claude Bernard
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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
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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.
Claude Bernard
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The joy of discovery is certainly the liveliest that the mind of man can ever feel.
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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Now, a living organism is nothing but a wonderful machine endowed with the most marvellous properties and set going by means of the most complex and delicate mechanism.
Claude Bernard
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First causes are outside the realm of science.
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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Science increases our power in proportion as it lowers our pride.
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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All the vital mechanisms, varied as they are, have only one object, that of preserving constant the conditions of life in the internal environment.
Claude Bernard
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The mental never influences the physical. It is always the physical that modifies the mental, and when we think that the mind is diseased, it is always an illusion.
Claude Bernard
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Science does not permit exceptions.
Claude Bernard
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Science rejects the indeterminate.
Claude Bernard