"The older one gets, the more one feels that the only thing that matters is to do one's duty."

"I have tried to preserve the memory of Pierre Curie and to perpetuate the work which was the object of his life."

"I was taught that the way of progress was neither swift nor easy."

"In science, we must be interested in things, not in persons."

"Humanity needs practical men, who get the most out of their work, and, without forgetting the general good, safeguard their own interests. But humanity also needs dreamers, for whom the disinterested …"