Science admits no exceptions; otherwise there would be no determinism in science, or rather, there would be no science.
CLAUDE BERNARDA discovery is generally an unforeseen relation not included in theory.
More Claude Bernard Quotes
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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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It is what we know already that often prevents us from learning.
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The terrain is everything; the germ is nothing.
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True science teaches us to doubt and, in ignorance, to refrain.
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First causes are outside the realm of science.
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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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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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Everything is poisonous, nothing is poisonous, it is all a matter of dose.
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In the philosophic sense, observation shows and experiment teaches.
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Feeling alone guides the mind.
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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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A fact in itself is nothing. It is valuable only for the idea attached to it, or for the proof which it furnishes.
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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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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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Man can learn nothing unless he proceeds from the known to the unknown.
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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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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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Hatred is the most clear- sighted, next to genius.
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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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The doubter is a true man of science: he doubts only himself and his interpretations, but he believes in science.
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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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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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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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All the vital mechanisms, varied as they are, have only one object, that of preserving constant the conditions of life in the internal environment.
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The investigator should have a robust faith – and yet not believe.
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