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

We must not forget that when radium was discovered no one knew that it would prove useful in hospitals.

The sensitive plate, the gas which is ionised, the fluorescent screen, are in reality receivers, into another kind of energy, chemical energy, ionic energy... luminous energy.

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

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

It is my earnest desire that some of you should carry on this scientific work and keep for your ambition the determination to make a permanent contribution to science.

First principle: never to let one's self be beaten down by persons or by events.