"Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world. Scienc…"

"One does not ask of one who suffers: What is your country and what is your religion? One merely says: You suffer, tha…"

"I am on the edge of mysteries and the veil is getting thinner and thinner."

"Dans les champs de l'observation le hasard ne favorise que les esprits préparés."

"There does not exist a category of science to which one can give the name applied science. There are sciences and the…"

"L' univers est dissymetrique..."

"I beseech you to take interest in these sacred domains so expressively called laboratories. Ask that there be more an…"

"Posterity will one day laugh at the foolishness of modern materialistic philosophers. The more I study nature, the mo…"

"Young men, have confidence in those powerful and safe methods, of which we do not yet know all the secrets. And, what…"

"Let me tell you the secret that has led me to my goal. My strength lies solely in my tenacity."