“Messieurs, c'est les microbes qui auront le dernier mot." (Gentlemen, it is the microbes who will have the last word.)”

“Dans les champs de l'observation le hasard ne favorise que les esprits prepares - Where observation is concerned, chance favours only the prepared mind”

“There are two men in each one of us: the scientist, he who starts with a clear field and desires to rise to the knowledge of Nature through observations, experimentation and reasoning, and the man of sentiment, the man of belief, the man who mourns his dead children, and who cannot, alas, prove that he will see them again, but who believes that he will, and lives in the hope – the man who will not die like a vibrio, but who feels that the force that is within him cannot die. ”

“Galimybes renkasi tik pasirengusius protus.”

“Chance favors the prepared mind.”

“The role of the infinitely small in nature is infinitely great.”

“Wine is the most healthful and most hygienic of beverages.”