Now I am become death, the destroyer of worlds. (quoting the Bhagavad-Gita after witnessing the first Nuclear explosion.)

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.

The physicists have known sin; and this is a knowledge which they cannot lose.

It is a profound and necessary truth that the deep things in science are not found because they are useful; they are found because it was possible to find them.

Optimists think that this is the best of all possible worlds; pessimists fear they are right.

If atomic bombs are to be added as new weapons to the arsenals of a warring world, or to the arsenals of nations preparing for war, then the time will come when mankind will curse the names of Los Alamos and Hiroshima. The people must unite or they will perish.

Today, it is not only that our kings do not know mathematics, but our philosophers do not know mathematics and - to go a step further - our mathematicians do not know mathematics.