True science teaches us to doubt and, in ignorance, to refrain.
CLAUDE BERNARDFeeling alone guides the mind.
More Claude Bernard Quotes
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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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Art is ‘I’; science is ‘we’.
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The first requirement in using statistics is that the facts treated shall be reduced to comparable units.
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With the aid of these active experimental sciences man becomes an inventor of phenomena, a real foreman of creation; and under this head we cannot set limits to the power that he may gain over nature through future progress of the experimental sciences.
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In science, the best precept is to alter and exchange our ideas as fast as science moves ahead.
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The eloquence of a scientist is clarity; scientific truth is always more luminous when its beauty is unadorned than when it is tricked out in the embellishments with which our imagination would seek to clothe it.
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Those who have an excessive faith in their theories or in their ideas are not only poorly disposed to make discoveries, but they also make very poor observations.
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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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Mediocre men often have the most acquired knowledge.
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First causes are outside the realm of science.
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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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The great experimental principle, then, is doubt, that philosophic doubt which leaves to the mind its freedom and initiative, and from which the virtues most valuable to investigators in physiology and medicine are derived.
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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.
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Obervation is a passive science, experimentation is an active science.
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We must never make experiments to confirm our ideas, but simply to control them.
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In the philosophic sense, observation shows and experiment teaches.
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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 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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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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We must alter theory to adapt it to nature, but not nature to adapt it to theory.
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Priestley said that each discovery we make shows us many others that should be made.
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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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The minds that rise and become really great are never self-satisfied, but still continue to strive.
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Science increases our power in proportion as it lowers our pride.
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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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It is what we know already that often prevents us from learning.
CLAUDE BERNARD