The chief reason warfare is still with us is neither a secret death-wish of the human species, nor an irrepressible instinct of aggression, nor, finally and more plausibly, the serious economic and social dangers inherent in disarmament, but the simple fact that no substitute for this final arbiter in international affairs has yet appeared on the political scene.
Hannah ArendtWhile strength is the natural quality of an individual seen in isolation, power springs up between men when they act together and vanishes the moment they disperse.
Hannah Arendt