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

Instead of establishing facts, we have to overthrow errors; instead of ascertaining what is, we have to chase from our imaginations what is not.

I am among those who think that science has great beauty.

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

I met Pierre Curie for the first time in the spring of the year 1894... A Polish physicist whom I knew, and who was a great admirer of Pierre Curie, one day invited us together to spend the evening with himself and his wife.

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