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 PasteurThe nights seem to me too long... I am often scolded by Madame Pasteur, but I tell her I shall lead her to fame.
Louis PasteurIn 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 PasteurOne 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 PasteurWithout theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of invention. ... [Do not] share the opinion of those narrow minds who disdain everything in science which has not an immediate application. ... A theoretical discovery has but the merit of its existence: it awakens hope, and that is all. But let it be cultivated, let it grow, and you will see what it will become.
Louis Pasteur