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Louis Pasteur
(27 Dec 1822 - 28 Sep 1895)
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Louis Pasteur Quotes on Science (25 quotes)
>> Click for 67 Science Quotes by Louis Pasteur
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>> Click for 67 Science Quotes by Louis Pasteur
>> Click for Louis Pasteur Quotes on | Experiment | Life | Work |
Il n’existe pas de sciences appliquées, mais seulement des applications de la science.
There are no such things as applied sciences, only applications of science.
There are no such things as applied sciences, only applications of science.
— Louis Pasteur
Le premier regard de l’homme jeté sur l’univers n’y découvre que variété, diversité, multiplicité des phénomènes. Que ce regard soit illuminé par la science,—par la science qui rapproche l’homme de Dieu,—et la simplicité et l’unité brillent de toutes parts.
Man’s first glance at the universe discovers only variety, diversity, multiplicity of phenomena. Let that glance be illuminated by science—by the science which brings man closer to God,—and simplicity and unity shine on all sides.
Man’s first glance at the universe discovers only variety, diversity, multiplicity of phenomena. Let that glance be illuminated by science—by the science which brings man closer to God,—and simplicity and unity shine on all sides.
— Louis Pasteur
Sans laboratoires les savants sont des soldats sans armes
Without laboratories men of science are soldiers without arms.
Without laboratories men of science are soldiers without arms.
— Louis Pasteur
As I show you this liquid, I too could tell you, 'I took my drop of water from the immensity of creation, and I took it filled with that fecund jelly, that is, to use the language of science, full of the elements needed for the development of lower creatures. And then I waited, and I observed, and I asked questions of it, and I asked it to repeat the original act of creation for me; what a sight it would be! But it is silent! It has been silent for several years, ever since I began these experiments. Yes! And it is because I have kept away from it, and am keeping away from it to this moment, the only thing that it has not been given to man to produce, I have kept away from it the germs that are floating in the air, I have kept away from it life, for life is the germ, and the germ is life.'
— Louis Pasteur
As in the experimental sciences, truth cannot be distinguished from error as long as firm principles have not been established through the rigorous observation of facts.
— Louis Pasteur
If it is a terrifying thought that life is at the mercy of the multiplication of these minute bodies [microbes], it is a consoling hope that Science will not always remain powerless before such enemies...
— Louis Pasteur
If science has no country, the scientist should have one, and ascribe to it the influence which his works may have in this world.
— Louis Pasteur
If the mysterious influence to which the dissymmetry of nature is due should come to change in sense or direction, the constituting elements of all living beings would take an inverse dissymmetry. Perhaps a new world would be presented to us. Who could foresee the organization of living beings, if the cellulose, which is right, should become left, if the left albumen of the blood should become right? There are here mysteries which prepare immense labours for the future, and from this hour invite the most serious meditations in science.
— Louis Pasteur
In experimental science it’s always a mistake not to doubt when facts do not compel you to affirm.
— Louis Pasteur
It is characteristic of experimental science that it opens ever-widening horizons to our vision.
— Louis Pasteur
Laboratory and discovery are related terms. Do away with laboratories, and the physical sciences will be become the image of the sterility of death.
Laboratoires et découvertes sont des termes corrélatifs. Supprimez les laboratoires, les sciences physiques deviendront l’image de la stérilité et de la mort.
Laboratoires et découvertes sont des termes corrélatifs. Supprimez les laboratoires, les sciences physiques deviendront l’image de la stérilité et de la mort.
— Louis Pasteur
No category of sciences exists to which one could give the name of applied sciences. There are science and the applications of science, linked together as fruit is to the tree that has borne it.
Il n’existe pas une catégorie de sciences auxquelles on puisse donner le nom de sciences appliquées. II y a la science et les applications de la science, liées entre elles comme le fruit à l’arbre qui l’a porté.
Il n’existe pas une catégorie de sciences auxquelles on puisse donner le nom de sciences appliquées. II y a la science et les applications de la science, liées entre elles comme le fruit à l’arbre qui l’a porté.
— Louis Pasteur
Preconceived ideas are like searchlights which illumine the path of experimenter and serve him as a guide to interrogate nature. They become a danger only if he transforms them into fixed ideas – this is why I should like to see these profound words inscribed on the threshold of all the temples of science: “The greatest derangement of the mind is to believe in something because one wishes it to be so.”
— Louis Pasteur
Science advances through tentative answers to a series of more and more subtle questions which reach deeper and deeper into the essence of natural phenomena.
— Louis Pasteur
Science brings men nearer to God.
— Louis Pasteur
Science knows no country because knowledge belongs to humanity, and is the torch which illuminates the world. Science is the highest personification of the nation because that nation will remain the first which carries the furthest the works of thought and intelligence.
— Louis Pasteur
Science proceeds by successive answers to questions more and more subtle, coming nearer and nearer to the very essence of phenomena.
— Louis Pasteur
The Sciences gain by mutual support.
— Louis Pasteur
There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.
— Louis Pasteur
This marvellous experimental method eliminates certain facts, brings forth others, interrogates nature, compels it to reply and stops only when the mind is fully satisfied. The charm of our studies, the enchantment of science, is that, everywhere and always, we can give the justification of our principles and the proof of our discoveries.
— Louis Pasteur
To demonstrate experimentally that a microscopic organism actually is the cause of a disease and the agent of contagion, I know no other way, in the present state of Science, than to subject the microbe (the new and happy term introduced by M. Sédillot) to the method of cultivation out of the body.
— Louis Pasteur
To him who devotes his life to science, nothing can give more happiness than increasing the number of discoveries, but his cup of joy is full when the results of his studies immediately find practical applications.
— Louis Pasteur
We affirm the neutrality of Science ... Science is of no country. ... But if Science has no country, the scientist must keep in mind all that may work towards the glory of his country. In every great scientist will be found a great patriot.
— Louis Pasteur
Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of invention. ... [Do not] share the opinion of those narrow minds who disdain everything in science which has not an immediate application. ... A theoretical discovery has but the merit of its existence: it awakens hope, and that is all. But let it be cultivated, let it grow, and you will see what it will become.
— Louis Pasteur
You bring me the deepest joy that can be felt by a man [Pasteur himself] whose invincible belief is that Science and Peace will triumph over Ignorance and War, that nations will unite, not to destroy, but to build, and that the future will belong to those who will have done most for suffering humanity. But whether our efforts are or are not favored by life, let us be able to say, when we come near to the great goal, “I have done what I could.”
— Louis Pasteur
See also:
- 27 Dec - short biography, births, deaths and events on date of Pasteur's birth.
- Louis Pasteur’s Discovery of Rabies Immunization - from Harper’s Weekly (1885)
- Louis Pasteur - The Modern Era of Immunization from CDC (1985)
- The Private Science of Louis Pasteur, by Gerald L. Geison. - book suggestion.
- Booklist for Louis Pasteur.