No-one really thought of fission before its discovery.
The life must not be easy if it is only rich in contents
You must not blame us scientists for the use which war technicians have put our discoveries.
I will have nothing to do with a bomb!
Life need not be easy, provided only that it is not empty.
I will have nothing to do with a bomb! [Response to being invited (1943) to work with Otto Robert Frisch and some British scientists at Los Alamos during the Manhattan Project to create the atomic bomb.]