Nothing in life is to be feared, it is only to be understood... - Marie Curie

"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."

"Certein bodies... become luminous when heated. Their luminosity disappears after some time, but the capacity of becoming luminous afresh through heat is restored to them by the action of a spark, and also by the action of radium."

"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."

"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."

"I am one of those who think, like Nobel, that humanity will draw more good than evil from new discoveries."