多少世纪以来,有关道义和伦理原则在处理国际事务中的作用和影响一直就是伦理学家和政治哲学家们所关注的一个问题,然而即使是在理论层面这一问题至今还没有得到解决。①修昔底德在《伯罗奔尼撒战争史》中有关权势与道义之间关系的探讨构成了西方古典现实主义政治流派对这一问题的最早关注,并在权势与道义的紧张和对立关系中提示了一种纽带的存在,即政治的审慎和 For centuries, the role and influence of moral and ethical principles in the handling of international affairs has always been a matter of concern to ethicists and political philosophers, yet the issue at the theoretical level has so far not been resolved. ① Thucydides’s discussion of the relationship between power and morality in the History of the Peloponnesian War constitutes the earliest concern of the western classical realist political genres on this issue, and in the tension and opposition of power and morality The relationship suggests the existence of a bond, that is political prudence