The President's News Conference
07/23/1947
https://www.presidency.ucsb.edu...
My decision should not be interpreted as establishing any new pattern or policy.
The weapons of destruction have become so powerful and so terrible that we can't even think of another all-out war.
The course of action you recommend has my approval.
It would have involved us in all-out war in the Far East, and we have been strenuously trying to avoid that all the time...