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Do not put forward anything that you cannot prove by experimentation.

Louis Pasteur

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Louis Pasteur
Age: 72 †
Born: 1822
Born: December 27
Died: 1895
Died: September 28
Agronomist
Biochemist
Biologist
Chemist
Microbiologist
Naturalist
University Teacher
Dôle
Pasteur
Experimentation
Forward
Prove
Cannot
Anything

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Posterity will one day laugh at the foolishness of modern materialistic philosophers.
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Never will the doctrine of spontaneous generation recover from the mortal blow struck by this simple experiment.
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God grant that by my persevering labours I may bring a little stone to the frail and ill-assured edifice of our knowledge of those deep mysteries of Life and Death where all our intellects have so lamentably failed.
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Worship the spirit of criticism.
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Intuition is given only to him who has undergone long preparation to receive it.
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Time is the best appraiser of scientific work, and I am aware that an industrial discovery rarely produces all its fruit in the hands of its first inventor.
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The artificial products do not have any molecular dissymmetry and I could not indicate the existence of a more profound separation between the products born under the influence of life and all the others.
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Live in the serene peace of laboratories and libraries
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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 is no such thing as applied science, only the application of pure science.
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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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Do not promote what you can't explain, simplify, and prove early.
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My strength lies solely in my tenacity.
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Science knows no country because it is the light that iluminates the world
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You have not succeeded in your experiments, that is all there is to it.
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After death, life reappears in a different form and with different laws. It is inscribed in the laws of the permanence of life on the surface of the earth and everything that has been a plant and an animal will be destroyed and transformed into a gaseous, volatile and mineral substance.
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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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Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.
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The Greeks understood the mysterious power of the below things. They are the ones who gave us one of the most beautiful words in our language, the word enthusiasm.
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The only thing that can bring joy is work.
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