It has often been said, and certainly not without justification, that the man of science is a poor philosopher.

We cannot resolve the problems of the world by unsing the same techniques that have created them.

A single bomb of this type, carried by boat and exploded in a port, might very well destroy the whole port, together with some of the surrounding territory.

I believe my theory of relativity to be true. But it will only be proved for certain in 1981, when I am dead.

The more I learn of physics, the more I am drawn to metaphysics.

It has often been said, and certainly not without justification, that the man of science is a poor philosopher.

God is subtle but he is not malicious.