We living things are a late outgrowth of the metabolism of our galaxy. The carbon that enters into our composition was cooked in a remote past in a dying star. The waters of ancient seas set the pattern of ions in our blood. The ancient atmospheres moulded our metabolism.

The great questions are those an intelligent child asks and, getting no answers, stops asking.

I am growing old, and my future, so to speak, is already behind me.

I think I know what is bothering the students. I think that what we are up against is a generation that is by no means sure that it has a future.

The Nobel Prize is an honor unique in the world in having found its way into the hearts and minds of simple people everywhere. It casts a light of peace and reason upon us all; and for that I am especially grateful.

I think all of you know there is no adequate defense against massive nuclear attack.

Science goes from question to question; big questions, and little, tentative answers. The questions as they age grow ever broader, the answers are seen to be more limited.