This article intends to justify the following argument : what of both fear and pride create a leviathan or state of war depends on people ' s deliberations on what a good life is and how it is possible . ( 1 ) the remarkable hobbesian warlike human predicament emerges from the natural depravity of fear for death and of pride or vainglory 摘要本文根据利维坦论说以下主张：自然状态所展现的人间难题价值与意义层面上的无政府状态，乃出于群居生活之固有事实，汇聚于相互恐惧及骄傲之言行，而成每个人对每个人的敌对状态。
Realities of security viewpoints of defensive realism are : first , it admits international anarchy exists as a fact ; second , it admits security dilemma exists extensively , which cannot be eliminated thoroughly while can be mitigated in some degree ; third , it holds that international institutions can play positive role in security area ; fourth , cognitive factors have effects on nation ' s strategy ; fifth , defensive realism denies there is inevitable cause and effect relation between the rising of new great power and war , etc . at last , the paper states briefly the unreality of the defensive realism , and points out that hegemonic stability does not mean peace and security 先简述现实主义的共同核心假设，再对防御性现实主义的安全观的现实性进行归纳，即1 、对国际无政府状态的认定； 2 、承认安全困境的广泛存在且不能根除，但可以缓解； 3 、承认国际组织对安全的获得有一定的作用； 4 、承认认知因素对国家战略的作用； 5 、认为新大国的崛起与战争之间并无必然的因果关系等。最后指出，防御性现实主义也具有非现实性，历史事实和实证研究都表明，霸权稳定与和平之间没有必然联系。
