In my view, it is the most important function of art and science to awaken this feeling and keep it alive in those who are capable of it.

Creating a new theory is not like destroying an old barn and erecting a skyscraper in its place. It is rather like climbing a mountain and gaining new and wider views.

I don't teach my students, I provide the circumstances in which they can learn.

One has to realize that the powerful industrial groups concerned in the manufacture of arms are doing their best in all countries to prevent the peaceful settlement of international disputes, and that rulers can achieve this great end only if they are sure of the vigorous support of the majority of their peoples.

In the shadow of the atomic bomb it has become even more apparent that all men are, indeed, brothers.

Although I cannot believe that the individual survives the death of his body, feeble souls harbor such thought through fear or ridiculous egotism.

My internal and external life depend so much on the work of others that I must make an extreme effort to give as much as I receive.