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

"We must be prepared to make the effort to understand the world, and to live in it as human beings."

"The atomic bomb is a symbol of man's destructive power, but it is also a symbol of man's ability to create."

"The atomic bomb is a call to action, a call to build a better future for all."

"The physicists have known sin; and this is a knowledge which they cannot lose. It is a knowledge which has changed them forever."