Each of us must work for his own improvement, and at the same time share a general responsibility for all humanity.
It was like a new world opened to me, the world of science, which I was at last permitted to know in all liberty.
Radium is not to enrich any one. It is an element; it is for all people.
I was taught that the way of progress was neither swift nor easy.
First principle: never to let one's self be beaten down by persons or by events.
Nothing in this world is to be feared... only understood.