In a nuclear war, even if one side were to come out ahead by systems analytical standards, both sides would be so weakened, that it would - they would be in the position of Europe after the two World Wars.
Henry A. KissingerRealism in foreign policy means careful consideration of all aspects pertinent to the issue, before taking a decision. This is the only way you can move from where you are to someplace else.
Henry A. KissingerWe're at a moment when the international system is in a period of change like we haven't seen for several hundred years. In some parts of the world, the nation state, on which the existing international system was based, is either giving up its traditional aspects, like in Europe, or as in the Middle East, where it was never really fully established, it is no longer the defining element. So in those two parts of the world, there is tremendous adjustment in traditional concepts.
Henry A. Kissinger