Deux choses sont infinies : l’Univers et la bêtise humaine. Mais, en ce qui concerne l’Univers, je n’en ai pas encore acquis la certitude absolue.

“Whoever is careless with the truth in small matters cannot be trusted with impo…”

“Those whose acquaintance with scientific research is derived chiefly from its p…”

“Concern for man himself and his fate must always constitute the chief objective…”

“The right to search for the truth implies also a duty; one must not conceal any…”