"The atomic bomb is a challenge to our humanity."

"The atomic bomb made the prospect of future war unendurable. It has led us up to the top of the mountain. We can see the promised land, but how to get there we do not know."

"We have used a weapon that has changed the course of history."

"We are scientists. We are not politicians. We are not moralists. We are scientists. We have done our job. It is up to others to decide what to do with it."

"The best way to send information is to wrap it up in a person."