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.

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.

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

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

You cannot hope to build a better world without improving the individuals. To that end each of us must work for our own improvement, and at the same time share a genaral responsibility for all humanity, our particular duty being to aid those to whom we think can be most useful.

I was taught the method for advancement is not quick or simple.