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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
Sense
Shows
Philosophic
Experiment
Teaches
Observation
Experiments
Teach
Science

More quotes by Claude Bernard

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The joy of discovery is certainly the liveliest that the mind of man can ever feel.
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Priestley [said] that each discovery we make shows us many others that should be made.
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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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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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The experimenter who does not know what he is looking for will not understand what he finds.
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Hatred is the most clear- sighted, next to genius.
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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.
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It is what we know already that often prevents us from learning.
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We must alter theory to adapt it to nature, but not nature to adapt it to theory.
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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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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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Science rejects the indeterminate.
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If I had to define life in a single phrase, I should clearly express my thought of throwing into relief one characteristic which, in my opinion, sharply differentiates biological science. I should say: life is creation.
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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.
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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.
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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.
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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.
Claude Bernard
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The terrain is everything the germ is nothing.
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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Obervation is a passive science, experimentation is an active science.
Claude Bernard