In this paper, the researcher will examine various points of view of the different epistemological schools of thoughts in the first section of the paper. This will be followed by the analysis of the knowledge base and pedagogical reasoning in the second section. The third section of the paper will be devoted to examine the modern pedagogical practices which will be followed by the interpretation of the integration process of the content and pedagogy in the fourth section of the paper. The fifth section will reflect the implication of the finding of the study for preparing the successful teacher by making the balance of the knowledge base of teacher and the pedagogical knowledge. The whole paper has a great relevance with regard to preparing teachers for a changing context, because it has dealt with core components of knowledge and pedagogy.