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.

Just remember you will find that one special love that you know is right but for some reason just doesn't last

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

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

There are sadistic scientists who hurry to hunt down errors instead of establishing the truth.

We must not forget that when radium was discovered no one knew that it would prove useful in hospitals. The work was one of pure science. And this is a proof that scientific work must not be considered from the point of view of the direct usefulness of it. It must be done for itself, for the beauty of science, and then there is always the chance that a scientific discovery may become like the radium a benefit for humanity.

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.