We must have perseverance and above all confidence in ourselves.

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

My husband and I were so closely united by our affection and our common work that we passed nearly all of our time together.

The various reasons which we have enumerated lead us to believe that the new radio-active substance contains a new element which we propose to give the name of radium.

A scientist in his laboratory is not a mere technician: he is also a child confronting natural phenomena that impress him as though they were fairy tales.

Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.

It's always good to marry your best friend.