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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
Experiments
Succeeded

More quotes by Louis Pasteur

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The more I know, the more nearly is my faith that of the Breton peasant. Could I but know all I would have the faith of a Breton peasant woman.
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To know how to wonder and question is the first step of the mind toward discovery.
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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.
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Intuition is given only to him who has undergone long preparation to receive it.
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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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Luck favors the mind that is prepared.
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Since the most ancient times, all men, and particularly those who endeavored in the practice of medicine, have brought closer together two natural phenomena of capital importance: illness or fever and fermentation.
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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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Where are the real sources of human dignity, freedom and modern democracy, if not in the concept of infinity to which all men are equal?
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Do not promote what you can't explain, simplify, and prove early.
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.
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Do not let yourself be tainted with a barren skepticism.
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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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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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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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Life comes only from life.
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 grandeur of the acts of men are measured by the inspiration from which they spring.
Louis Pasteur
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Did you ever observe to whom the accidents happen? Chance favors only the prepared mind.
Louis Pasteur
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It is not the germs we need worry about. It is our inner terrain.
Louis Pasteur