"Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves."

"The older one gets, the more one feels that the present moment must be enjoyed, comparable to a state of grace."

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

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

"I am not afraid of anything. I am only afraid of not being able to do my work. I am only afraid of not being able to discover new things."