Science has taught us how to put the atom to work. But to make it work for good instead of for evil lies in the domain dealing with the principles of human duty. We are now facing a problem more of ethics than physics.

So efficient are the available instruments of slavery; fingerprints, lie detectors, brain washings, gas chambers; that we shiver at the thought of political change which might put these instruments in the hands of men of hate.

Peace is never long preserved by weight of metal or by an armament race. Peace can be made tranquil and secure only by understanding and agreement fortified by sanctions. We must embrace international cooperation or international disintegration. Science has taught us how to put the atom to work. But to make it work for good instead of for evil lies in the domain dealing with the principles of human dignity. We are now facing a problem more of ethics than of physics.

Behind the black portent of the new atomic age lies a hope which, seized upon with faith, can work out salvation. . . . Let us not deceive ourselves: we must elect world peace or world destruction.

None of us can be free of conflict and woe. Even the greatest men have had to accept disappointments as their daily bread. ... The art of living lies less in eliminating our troubles than in growing with them.