He was all in favor of fighting an all-out thermonuclear war that might devastate a fair fraction of civilization, to settle an argument with the USSR, but was dead set against using discriminate nuclear weapons that could settle arguments on the battlefield without devastating everything in sight. Genius, when applied to human problems, can manifest itself in strange ways.
(Speaking about Edward Teller) - F*** You! Mr. President: Confessions of the Father of the Neutron Bomb (2006)