Louis Pasteur Quotes

1822 – 1895

French chemist and microbiologist who developed pasteurization and helped establish the germ theory of disease.

21 quotesAbout Louis Pasteur on Wikipedia

“Chance favors only the prepared mind.”

— Louis Pasteur

“In the fields of observation chance favours only the prepared mind.”

— Louis Pasteur

“There does not exist a category of science to which one can give the name applied science.”

— Louis Pasteur

“Live in the serene peace of laboratories and libraries.”

— Louis Pasteur

“I have done what I could.”

— Louis Pasteur

“Never will the doctrine of spontaneous generation recover from the mortal blow of this simple experiment.”

— Louis Pasteur

“The human spirit, driven by an invincible force, will never cease to ask: What is beyond?”

— Louis Pasteur

“There is nothing to answer: there are spaces, times or magnitudes without limits.”

— Louis Pasteur

“If perchance you should falter during the journey, a hand would be there to support you.”

— 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…”

— Louis Pasteur

“Here is an infusion of organic matter, as limpid as distilled water, and extremely alterable. It has been prepared to-day. To-morrow it will contain animalculae, little…”

— Louis Pasteur

“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.”

— Louis Pasteur

“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

“Blessed is he who carries within himself a God, an ideal, and who obeys it: ideal of art, ideal of science, ideal of the gospel virtues, therein lie the springs of great thoughts…”

— Louis Pasteur

“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?”

— Louis Pasteur

“The greatness of human actions is measured by the inspiration that it brings.”

— Louis Pasteur

“Though one discovery always surpasses another, and though the chemical and physical knowledge accumulated since his time has gone beyond all Lavoisier's dreams, his work, like…”

— Louis Pasteur

“Certain details will age, as do the fashions of another time, but the foundation, the method, constitute one of those great aspects of the human mind, the majesty of which is only…”

— Louis Pasteur

“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…”

— Louis Pasteur

“My philosophy is of the heart and not of the mind, and I give myself up, for instance, to those feelings about eternity which come naturally at the bedside of a cherished child…”

— Louis Pasteur