On the second day after the Nagasaki bomb, Truman stated: "The only language they seem to understand is the one we have been using to bombard them. When you have to deal with a beast you have to treat him like a beast. It is most regrettable but nevertheless true".

Источник: http://en.wikipedia.org/wiki/Debate_over_the_atomic_bombings_of_Hiroshima_and_Nagasaki