I have often had cause to feel that my hands are cleverer than my head. That is a crude way of characterizing the dialectics of experimentation. When it is going well, it is like a quiet conversation with Nature. One asks a question and gets an answer, then one asks the next question and gets the next answer. An experiment is a device to make Nature speak intelligibly. After that, one only has to listen.

So-called defense now absorbs sixty per cent of the national budget, and about twelve per cent of the Gross National Product.

There is nothing worth having that can he obtained by nuclear war - nothing material or ideological - no tradition that it can defend. It is utterly self-defeating.

The concept of war crimes is an American invention.

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.

We are living in a world in which all wars are wars of defense.

A scientist is in a sense a learned small boy. There is something of the scientist in every small boy. Others must outgrow it. Scientists can stay that way all their lives.