Do not promote what you can't explain, simplify, and prove early. Louis Pasteur More Quotes by Louis Pasteur More Quotes From Louis Pasteur Work usually follows will. Louis Pasteur 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. Louis Pasteur greatnesscriticismideas 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. Louis Pasteur practice-of-medicinementwo 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 generationsopinionwould-be We affirm the neutrality of Science ... Science is of no country. ... But if Science has no country, the scientist must keep in mind all that may work towards the glory of his country. In every great scientist will be found a great patriot. Louis Pasteur hard-worksciencecountry 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 errorsparentworld As in the experimental sciences, truth cannot be distinguished from error as long as firm principles have not been established through the rigorous observation of facts. Louis Pasteur errorssciencelong The nights seem to me too long... I am often scolded by Madame Pasteur, but I tell her I shall lead her to fame. Louis Pasteur famenightlong There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it. Louis Pasteur specialtreescience 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 profoundlifescience Science proceeds by successive answers to questions more and more subtle, coming nearer and nearer to the very essence of phenomena. Louis Pasteur subtleessenceanswers Science advances through tentative answers to a series of more and more subtle questions which reach deeper and deeper into the essence of natural phenomena. Louis Pasteur essencenaturalanswers 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. Louis Pasteur progressselfbelieve Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of inventions. Louis Pasteur routinepracticespirit It is a matter of fact; I approached without a preconceived idea, too ready to declare, if the experiment had imposed upon me the confession, that there was a spontaneous generation, of Louis Pasteur generationsmatterideas I am on the edge of mysteries and the veil is getting thinner and thinner. Louis Pasteur veilsmysteryedges Chance favors those who are prepared. Louis Pasteur favorschancewrestling There is no such thing as applied science, only the application of pure science. Louis Pasteur applied-scienceapplicationpure It would seem to me that I was committing a theft if I were to let one day go by without doing some work. Louis Pasteur theftone-dayseems I have the faith of a Breton peasant and by the time I die I hope to have the faith of a Breton peasant's wife. Louis Pasteur peasantsdieswife
