What has kept the world safe from the bomb since 1945 has not been deterrence, in the sense of fear of specific weapons, so much as it's been memory. The memory of what happened at Hiroshima.
Was die Welt seit 1945 vor der Bombe bewahrt hat, war keine Abschreckung im Sinne der Furcht vor bestimmten Waffen, so sehr es Erinnerung war. Die Erinnerung an das, was in Hiroshima passiert ist.