Publication has been extended far beyond our present ability to make real use of the record.

If scientific reasoning were limited to the logical processes of arithmetic, we should not get very far in our understanding of the physical world

Scientific progress on a broad front results from the free play of free intellects, working on subjects of their own choice, in the manner dictated by their curiosity for exploration of the unknown.

Putting a man in space is a stunt: the man can do no more than an instrument, in fact can do less. There are far more serious things to do than indulge in stunts. . . . I do not discard completely the value of demonstrating to the world our skills. Nor do I undervalue the effect on morale of the spectacular. But the present hullabaloo on the propaganda aspects of the program leaves me entirely cool.

I say, technically, I don't think anyone in the world knows how to do such a thing. and I feel confident it will not be done for a very long period to come. I think we can leave that out of our thinking. I wish the American public would leave that out of their thinking.

There will always be plenty of things to compute in the detailed affairs of millions of people doing complicated things.

Science can give mankind a better standard of living, better health and a better mental life, if mankind in turn gives science the sympathy and support so essential to its progress.