After the thing went off, after it was a sure thing that America could wipe out a city with just one bomb, a scientist turned to Father and said, 'Science has now known sin.' And do you know what Father said? He said, 'What is sin?

Generally speaking, espionage offers each spy an opportunity to go crazy in a way he finds irresistible.

Ignore the awful times, and concentrate on the good ones.

I thought scientists were going to find out exactly how everything worked, and then make it work better. I fully expected that by the time I was twenty-one, some scientist, maybe my brother, would have taken a color photograph of God Almighty—and sold it to Popular Mechanics magazine. Scientific truth was going to make us so happy and comfortable. What actually happened when I was twenty-one was that we dropped scientific truth on Hiroshima.

If God were alive today, He'd be an atheist.

I have told my sons that they are not under any circumstances to take part in massacres, and that the news of massacres of enemies is not to fill them with satisfaction or glee. I have also told them not to work for companies which make massacre machinery, and to express contempt for people who think we need machinery like that.

Their imaginations were flywheels on the ramshackle machinery of the awful truth.