Studying the classic and the modern texts writen by the theoreticians of the human and political sciences proves that disputes over man has always been an axial issue. Thus, if we consider politics and international relations field as being under the influence of human beings in the form of governments, our view of the nature of human being will result in the formation of different approaches to international phenomana and relations. This paper is a study of the human nature as being rooted in the good, the evil, or a mixture of the two, along with an Islamic interpretation of the issue.