Each state pursues its own interest's, however defined, in ways it judges best. Force is a means of achieving the external ends of states because there exists no consistent, reliable process of reconciling the conflicts of interest that inevitably arise among similar units in a condition of anarchy.
Kenneth WaltzAccording to the first image of international relations, the locus of the important causes of war is found in the nature and behavior of man. Wars result from selfishness, from misdirected aggressive impulses, from stupidity.
Kenneth WaltzIs it capitalism or states that must be destroyed in order to get peace, or must both be abolished?
Kenneth Waltz