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You have not succeeded in your experiments, that is all there is to it.

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
Succeeded
Experiments

More quotes by Louis Pasteur

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Do not put forward anything that you cannot prove by experimentation.
Louis Pasteur
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Every chemical substance, whether natural or artificial, falls into one of two major categories, according to the spatial characteristic of its form. The distinction is between those substances that have a plane of symmetry and those that do not. The former belong to the mineral, the latter to the living world.
Louis Pasteur
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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.
Louis Pasteur
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The greatest disorder of the mind is to let will direct it.
Louis Pasteur
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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.
Louis Pasteur
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Science knows no country because it is the light that iluminates the world
Louis Pasteur
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These three things-work, will, success-fill human existences. Will opens the door to success, both brilliant and happy. Work passes these doors, and at the end of the journey success comes in to crown one's efforts.
Louis Pasteur
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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.
Louis Pasteur
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There is no such thing as applied science, only the application of pure science.
Louis Pasteur
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The grandeur of the acts of men are measured by the inspiration from which they spring. Happy is he who bears a God within.
Louis Pasteur
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Never will the doctrine of spontaneous generation recover from the mortal blow struck by this simple experiment.
Louis Pasteur
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I give them experiments and they respond with speeches.
Louis Pasteur
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The only thing that can bring joy is work.
Louis Pasteur
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Do not let yourself be tainted with a barren skepticism.
Louis Pasteur
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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.
Louis Pasteur
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My opinion - nay more, my conviction - is that, in the present state of science, as you rightly say, spontaneous generation is a chimera and it would be impossible for you to contradict me, for my experiments all stand forth to prove that spontaneous generation is a chimera.
Louis Pasteur
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One must not assume that an understanding of science is present in those who borrow the language
Louis Pasteur
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Do not promote what you can't explain, simplify, and prove early.
Louis Pasteur
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The Greeks bequeathed to us one of the most beautiful words in our language--the word 'enthusiasm'--en theos--a god within. The grandeur of human actions is measured by the inspiration from which they spring. Happy is he who bears a god within, and who obeys it.
Louis Pasteur
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No, there is now no circumstance known in which it can be affirmed that microscopic beings came into the world without germs, without parents similar to themselves. Those who affirm it have been duped by illusions, by ill-conducted experiments, spoilt by errors that they either did not perceive or did not know how to avoid.
Louis Pasteur