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 PasteurThe 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 PasteurScience 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 PasteurThe 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.
Louis Pasteur