We know that the wages of secrecy are corruption. We know that in secrecy error, undetected, will flourish and subvert.

There are children playing in the streets who could solve some of my top problems in physics, because they have modes of sensory perception that I lost long ago.

[About the great synthesis of atomic physics in the 1920s:] It was a heroic time. It was not the doing of any one man; it involved the collaboration of scores of scientists from many different lands. But from the first to last the deeply creative, subtle and critical spirit of Niels Bohr guided, restrained, deepened and finally transmuted the enterprise.

To the confusion of our enemies.

The greatest of the changes that science has brought is the acuity of change; the greatest novelty the extent of novelty.

When you see something that is technically sweet you go ahead and do it.

The history of science is rich in example of the fruitfulness of bringing two sets of techniques, two sets of ideas, developed in separate contexts for the pursuit of new truth, into touch with one another.