Louis Pasteur Quotes
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Worship the spirit of criticism. If reduced to itself it is not an awakener of ideas or a stimulant to great things, but, without it, everything is fallible; it always has the last word.
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Messieurs, c'est les microbes qui auront le dernier mot." (Gentlemen, it is the microbes who will have the last word.)
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There are two men in each one of us: the scientist, he who starts with a clear field and desires to rise to the knowledge of Nature through observations, experimentation and reasoning, and the man of sentiment, the man of belief, the man who mourns his dead children, and who cannot, alas, prove that he will see them again, but who believes that he will, and lives in the hope – the man who will not die like a vibrio, but who feels that the force that is within him cannot die.
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The grandeur of the acts of men are measured by the inspiration from which they spring.
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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.
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In matters of observation chance favors only the prepared mind. (not literal translation) - Dan's les champs de observation le hasard ne favorise que les esprits prepares.
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Outsidetheir laboratories, thephysicianand chemist are soldiers without arms on the field of battle.
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In good philosophy, the word cause ought to be reserved to the single Divine impulse that has formed the universe.
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Are the atoms of the dextroacid (tartaric) grouped in the spirals of a right-hand helix or situated at the angles of an irregular tetrahedron, or arranged in such or such particular unsymmetrical fashion? We are unable to reply to these questions. But there can be no reason for doubting that the grouping of the atoms has an unsymmetrical arrangement with a non-superimposable image. It is not less certain that the atoms of the laevo-acid realize precisely an unsymmetrical arrangement of the inverse of the above.
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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.
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My present and most fixed opinion regarding the nature of alcoholic fermentation is this: The chemical act of fermentation is essentially a phenomenon correlative with a vital act, beginning and ending with the latter. I believe that there is never any alcoholic fermentation without their being simultaneously the organization, development, multiplication of the globules, or the pursued, continued life of globules which are already formed.
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Virulence appears in a new light which cannot but be alarming to humanity; unless nature, in her evolution down the ages (an evolution which, as we now know, has been going on for millions, nay, hundreds of millions of years), has finally exhausted all the possibilities of producing virulent or contagious diseases - which does not seem very likely.
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Chance favours a prepared mind.
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What did you do today to receive your instruction?
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A bottle of wine contains more philosophy than all the books in the world.
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Science knows no country because it is the light that iluminates the world
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How do you know that the incessant progress of science will not compel scientists to consider that life has existed during eternity, and not matter?
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Little science takes you away from God but more of it takes you to Him.
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One must not assume that an understanding of science is present in those who borrow the language
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If science has no country, the scientist should have one, and ascribe to it the influence which his works may have in this world.
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One does not ask of one who suffers: What is your country and what is your religion? One merely says: You suffer, that is enough for me.
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To bring one's self to believe in a truth that has just dawned upon one is the first step towards progress; to persuade others is the second.
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Wine is the most healthful and most hygienic of beverages.
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Analogy cannot serve as proof.
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To know how to wonder and question is the first step of the mind toward discovery.
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Science and Peace will triumph over Ignorance and War...
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There does not exist a category of science to which one can give the name applied science. There are sciences and the applications of science, bound together as the fruit of the tree which bears it.
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The greatest disorder of the mind is to let will direct it.
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I propose to provide proof... that just as always an alcoholic ferment, the yeast of beer, is found where sugar is converted into alcohol and carbonic acid, so always a special ferment, a lactic yeast, is found where sugar is transformed into lactic acid. And, furthermore, when any plastic nitrogenated substance is able to transform sugar into that acid, the reason is that it is a suitable nutrient for the growth of the [lactic] ferment.
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The universe is an asymmetrical entity. I am inclined to believe that life as it is manifested to us must be a function of the asymmetry of the universe or of the consequence of this fact. The universe is asymmetrical; for if one placed the entire set of bodies that compose the solar system, each moving in its own way, before a mirror, the image shown would not be superimposable on the reality.
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