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Claude Bernard
(12 Jul 1813 - 10 Feb 1878)
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Claude Bernard Quotes on Science (32 quotes)
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>> Click for 90 Science Quotes by Claude Bernard
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A l’aide de ces sciences expérimentales actives, l’homme devient un inventeur de phénomènes, un véritable contremaître de la création; et l'on ne saurait, sous ce rapport, assigner de limites à la puissance qu’il peut acquérir sur la nature, par les progrès futurs des sciences expérimentales
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.
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.
— Claude Bernard
À mesure que la science rabaisse ainsi notre orgueil, elle augmente notre puissance.
Science increases our power in proportion as it lowers our pride.
Science increases our power in proportion as it lowers our pride.
— Claude Bernard
La théorie est l’hypothèse vérifiée, après qu’elle a été soumise au contrôle du raisonnement et de la critique expérimentale. La meilleure théorie est celle qui a été vérifiée par le plus grand nombre de faits. Mais une théorie, pour rester bonne, doit toujours se modifier avec les progrès de la science et demeurer constamment soumise à la vérification et à la critique des faits nouveaux qui apparaissent.
A theory is a verified hypothesis, after it has been submitted to the control of reason and experimental criticism. The soundest theory is one that has been verified by the greatest number of facts. But to remain valid, a theory must be continually altered to keep pace with the progress of science and must be constantly resubmitted to verification and criticism as new facts appear.
A theory is a verified hypothesis, after it has been submitted to the control of reason and experimental criticism. The soundest theory is one that has been verified by the greatest number of facts. But to remain valid, a theory must be continually altered to keep pace with the progress of science and must be constantly resubmitted to verification and criticism as new facts appear.
— Claude Bernard
Mais, par une merveilleuse compensation, à mesure que la science rabaisse ainsi notre orgueil, elle augmente notre puissance.
But by a marvellous compensation, science, in humbling our pride, proportionately increases our power.
But by a marvellous compensation, science, in humbling our pride, proportionately increases our power.
— Claude Bernard
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
A man of science rises ever, in seeking truth; and if he never finds it in its wholeness, he discovers nevertheless very significant fragments; and these fragments of universal truth are precisely what constitutes science.
— Claude Bernard
Art is I; science is we.
— Claude Bernard
But while I accept specialization in the practice, I reject it utterly in the theory of science.
— Claude Bernard
Even mistaken hypotheses and theories are of use in leading to discoveries. This remark is true in all the sciences. The alchemists founded chemistry by pursuing chimerical problems and theories which are false. In physical science, which is more advanced than biology, we might still cite men of science who make great discoveries by relying on false theories. It seems, indeed, a necessary weakness of our mind to be able to reach truth only across a multitude of errors and obstacles.
— Claude Bernard
First causes are outside the realm of science.
— Claude Bernard
Good methods can teach us to develop and use to better purpose the faculties with which nature has endowed us, while poor methods may prevent us from turning them to good account. Thus the genius of inventiveness, so precious in the sciences, may be diminished or even smothered by a poor method, while a good method may increase and develop it.
— Claude Bernard
I do not … reject the use of statistics in medicine, but I condemn not trying to get beyond them and believing in statistics as the foundation of medical science. … Statistics … apply only to cases in which the cause of the facts observed is still [uncertain or] indeterminate. … There will always be some indeterminism … in all the sciences, and more in medicine than in any other. But man’s intellectual conquest consists in lessening and driving back indeterminism in proportion as he gains ground for determinism by the help of the experimental method..
— Claude Bernard
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.
— Claude Bernard
If needed to give a comparison expressing my feelings about the science of life, I would say that it is a magnificent reception room, resplendent with light, which one can only reach by passing through a long and dreadful kitchen.
— Claude Bernard
In a word, I consider hospitals only as the entrance to scientific medicine; they are the first field of observation which a physician enters; but the true sanctuary of medical science is a laboratory; only there can he seek explanations of life in the normal and pathological states by means of experimental analysis.
— Claude Bernard
In science the important thing is to modify and change one's ideas as science advances.
— Claude Bernard
In sciences of observation, man observes and reasons experimentally, but he does not experiment; and in this sense we might say that a science of observation is a passive science. In sciences of experimentation, man observes, but in addition he acts on matter, analyzes its properties and to his own advantage brings about the appearance of phenomena which doubtless always occur according to natural laws, but in conditions which nature often has not yet achieved. With the help 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 in the experimental sciences.
— Claude Bernard
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.
— Claude Bernard
Laplace considers astronomy a science of observation, because we can only observe the movements of the planets; we cannot reach them, indeed, to alter their course and to experiment with them. “On earth,” said Laplace, “we make phenomena vary by experiments; in the sky, we carefully define all the phenomena presented to us by celestial motion.” Certain physicians call medicine a science of observations, because they wrongly think that experimentation is inapplicable to it.
— Claude Bernard
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.
— Claude Bernard
Observation is a passive science, experimentation is an active science.
— Claude Bernard
Real science exists, then, only from the moment when a phenomenon is accurately defined as to its nature and rigorously determined in relation to its material conditions, that is, when its law is known. Before that, we have only groping and empiricism.
— Claude Bernard
Science allows no exceptions; without this there would be no determinism in science or rather, there would be no science at all.
— Claude Bernard
Science rejects the indeterminate.
— Claude Bernard
The doubter is a true man of science: he doubts only himself and his interpretations, but he believes in science.
— Claude Bernard
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
The science of life is a superb and dazzlingly lighted hall which may be reached only by passing through a long and ghastly kitchen.
— Claude Bernard
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
To be worthy of the name, an experimenter must be at once theorist and practitioner. While he must completely master the art of establishing experimental facts, which are the materials of science, he must also clearly understand the scientific principles which guide his reasoning through the varied experimental study of natural phenomena. We cannot separate these two things: head and hand. An able hand, without a head to direct it, is a blind tool; the head is powerless without its executive hand.
— Claude Bernard
True science teaches us to doubt and, in ignorance, to refrain.
— Claude Bernard
We see, then, that the elements of the scientific method are interrelated. Facts are necessary materials; but their working up by experimental reasoning, i.e., by theory, is what establishes and really builds up science. Ideas, given form by facts, embody science. A scientific hypothesis is merely a scientific idea, preconceived or previsioned. A theory is merely a scientific idea controlled by experiment. Reasoning merely gives a form to our ideas, so that everything, first and last, leads back to an idea. The idea is what establishes, as we shall see, the starting point or the primum movens of all scientific reasoning, and it is also the goal in the mind's aspiration toward the unknown.
— Claude Bernard
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
See also:
- 12 Jul - short biography, births, deaths and events on date of Bernard's birth.
- Claude Bernard - context of quote The alchemists founded chemistry - Medium image (500 x 350 px)
- Claude Bernard - context of quote “The alchemists founded chemistry” - Large image (800 x 600 px)
- Claude Bernard - context of quote The experimenter - Medium image (500 x 350 px)
- Claude Bernard - context of quote The experimenter - Large image (800 x 600 px)
- Claude Bernard - context of quote Make experiments to … control our ideas - Medium image (500 x 350 px)
- Claude Bernard - context of quote Make experiments to … control our ideas - Large image (800 x 600 px)