I am become death, the destroyer of worlds.

A pragmatist is concerned with results, not reality.

It is proper to the role of the scientist that he not merely find new truth and communicate it to his fellows, but that he teach, that he try to bring the most honest and intelligible account of new knowledge to all who will try to learn.

The theory of our modern technic shows that nothing is as practical as theory.

I remembered the line from the Hindu scripture, the Bhagavad-Gita... "Now I am become Death, the destroyer of worlds." I suppose we all thought that, one way or another.

Taken as a story of human achievement, and human blindness, the discoveries in the sciences are among the great epics.

The atomic bomb made the prospect of future war unendurable. It has led us up those last few steps to the mountain pass; and beyond there is a different country.