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 BERNARDTheories 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.
More Claude Bernard Quotes
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Experiment is fundamentally only induced observation.
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When we meet a fact which contradicts a prevailing theory, we must accept the fact and abandon the theory, even when the theory is supported by great names and generally accepted.
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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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True science teaches us to doubt and, in ignorance, to refrain.
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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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In the philosophic sense, observation shows and experiment teaches.
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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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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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Science rejects the indeterminate.
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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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Everything is poisonous, nothing is poisonous, it is all a matter of dose.
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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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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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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 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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First causes are outside the realm of science.
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A discovery is generally an unforeseen relation not included in theory.
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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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Priestley said that each discovery we make shows us many others that should be made.
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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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In science, the best precept is to alter and exchange our ideas as fast as science moves ahead.
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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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We achieve more than we know. We know more than we understand. We understand more than we can explain.
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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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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 investigator should have a robust faith – and yet not believe.
CLAUDE BERNARD