“You want me to tell you not to do it? All right. I put my hand on your arm. I look you in the eye in my most papal way. Go back to Germany, Heisenberg. Gather your colleagues together in the laboratory. Get up on a table and tell them: ‘Niels Bohr says that in his considered judgment supplying a homicidal maniac with an improved instrument of mass murder is …’ What shall I say? ‘ … an interesting idea.’ No, not even an interesting idea. ‘ … a really rather seriously uninteresting idea.’ What happens? You all fling down your Geiger counters?”

Excerpt From: Michael Frayn. “Copenhagen”.”