Earlier quoted context omitted.
Or this one: > HARTECK: Who is to blame? > (?) VOICE: HAHN is to blame. > WEIZSÄCKER: I think it's dreadful of the Americans to have done it. I think it is madness on their part. > HEISENBERG: One can't say that. One could equally well say "That's the quickest way of ending the war.” > HAHN: That's what consoles me. Sharp.
His "fault" a very direct way: https://news.ycombinator.com/item?id=12568722
>HEISENBERG: There is a great difference between discoveries and inventions. With discoveries one can always be skeptical and many surprises can take place. In the case of inventions, surprises can really only occur for people who have not had anything to do with it. It's a bit odd after we have been working on it for five years.
It seems like they're talking about the issues at hand, and he's just sitting there thinking about all of this in an abstract way, like it doesn't matter.