I never see what has been done; I only see what remains to be done.

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.

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.

It's always good to marry your best friend.

The older one gets, the more one feels that the present must be enjoyed; it is a precious gift, comparable to a state of grace

We believe the substance we have extracted from pitchblende contains a metal not yet observed, related to bismuth by its analytical properties. If the existence of this new metal is confirmed we propose to call it polonium, from the name of the original country of one of us.