If some nuclear properties of the heavy elements had been a little different from what they turned out to be, it might have been impossible to build a bomb. Enrico Fermi: Physicist (1970)
In scientific matters there was a common language and one standard of values; in moral and political problems there were many....Furthermore, in science there is a court of last resort, experiment, which is unavailable in human affairs. Enrico Fermi: Physicist (1970)