Louis Pasteur was a French chemist and microbiologist who pioneered vaccination, microbial fermentation, and pasteurization.

His chemical research led to significant advances in our understanding of disease causation and prevention, laying the groundwork for hygiene, public health, and much of modern medicine.

Through the development of rabies and anthrax vaccinations, his work is credited with saving millions of lives. He is considered one of the founding fathers of modern bacteriology, and has been called the “Father of Bacteriology” and “Father of Microbiology.”

We have listed down some of the most famous quotes from Louis Pasteur for you.


Best Louis Pasteur Quotes

Fortune favors the prepared mind. Chance favors the prepared mind. ~ Louis Pasteur.

Once one is used to working, one can no longer live without it. And of course, everything in the world depends on it; in science, one is happy; in science one rises above all others. ~ Louis Pasteur.

Come! We are going to transform the world by our discoveries! ~ Louis Pasteur.

Inspiration is the impact of a fact on a well-prepared mind. ~ Louis Pasteur.

Whether our efforts are, or 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.

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.  ~ Louis Pasteur.

Analogy cannot serve as proof. ~ Louis Pasteur.

The only thing which a condemned man fears is death. ~ Louis Pasteur.

Is not the conception of the ideal merely a faculty reflected from the infinite, which leads us, when in the presence of beauty, to conceive of a still higher form of beauty? ~ Louis Pasteur.

I say to all of you, whatever your career may be, guard yourselves from the taint of destructive and sterile skepticism, refuse to be discouraged by the sadness of certain hours which pass over a nation. Live in the serene peace of laboratories and libraries. ~ Louis Pasteur.

In teaching me to read, you made sure I learned about the greatness of France. While teaching me to read, you also took pains to teach me the greatness of France. ~ Louis Pasteur.

Happy is he who carries within him his own ideal, and lives in obedience to it. ~ 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.

Where life favors your efforts to a greater or less extent, one must have earned the right to say when the great goal draws near: ‘I have done what I could’. ~ Louis Pasteur.

When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become. ~ Louis Pasteur.

When once we have acquired the habit of work we can no longer live without it. ~ Louis Pasteur.

These three things, will power, work, and success, are the mainstays of human existence: will power opens the doors to brilliant and happy careers; work allows us to pass through them, and once we have run the course, success will crown our achievement. ~ Louis Pasteur.

By means of knowledge we raise ourselves above everybody else. ~ Louis Pasteur.

Work is the thing upon which everything else in this world depends. ~ Louis Pasteur.

There are no such things as applied sciences, only applications of science. ~ Louis Pasteur.

Never will the doctrine of spontaneous generation recover from the mortal blow struck by this simple experiment. ~ Louis Pasteur.

Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world. ~ Louis Pasteur.

Your enthusiasm, my brave mother, you bequeathed to me. If I have always associated the greatness of science with the greatness of the Fatherland, it is because of the sentiments that you inspired in me. ~ Louis Pasteur.

One must work; one must work. I have done what I could. ~ Louis Pasteur.

It is surmounting difficulties that makes heroes. ~ Louis Pasteur.

There does not exist a category of science to which one can give the name applied science. There are science and the applications of science, bound together as the fruit of the tree which bears it. ~ Louis Pasteur.

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.

The flavor of wine is like delicate poetry. ~ Louis Pasteur.

Life comes only from life. ~ Louis Pasteur.

Fortune favors the prepared mind. ~ Louis Pasteur.

To know how to wonder and question is the first step of the mind toward discovery. ~ Louis Pasteur.

It is not the germs we need worry about. It is our inner terrain. ~ Louis Pasteur.

Hold fast to the enthusiasm, but make strict accuracy its inseparable companion. Assert nothing that cannot be proved in some simple and decisive fashion. ~ Louis Pasteur.

A bottle of wine contains more philosophy than all the books in the world. ~ Louis Pasteur.

The role of the infinitely small in nature is infinitely great. ~ Louis Pasteur.

The greatest derangement of the mind is to believe in something because one wishes it to be so. ~ Louis Pasteur.

Even if science has no country, the man of science must have one, and it is to her that he should give the credit for the influence which his labors may have throughout the world. ~ Louis Pasteur.

Question your priorities often, make sure God always comes first. ~ Louis Pasteur.

Let me tell you the secret that has led me to my goal. My strength lies solely in my tenacity. ~ Louis Pasteur.

The more I study nature, the more I stand amazed at the work of the Creator. Science brings men nearer to God. ~ Louis Pasteur.

Do not let yourself be tainted with a barren skepticism. ~ Louis Pasteur.

The universe is asymmetric and I am persuaded that life, as it is known to us, is a direct result of the asymmetry of the universe or of its indirect consequences. The universe is asymmetric. ~ Louis Pasteur.

Little science takes you away from God but more of it takes you to Him. ~ Louis Pasteur.

Chance favors the prepared mind. ~ Louis Pasteur.


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