I am among those who think that science has great beauty. A scientist in his laboratory is not only a technician: he is also a child placed before natural phenomena which impress him like a fairy tale. We should not allow it to be believed that all scientific progress can be reduced to mechanisms, machines, gearings, even though such machinery has its own beauty.

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

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.

Nothing in this world is to be feared... only understood.

All my life through, the new sights of Nature made me rejoice like a child.

When one studies strongly radioactive substances special precautions must be taken. Dust, the air of the room, and one's clothes, all become radioactive.