While acknowledging the divergent views of Nygren and Bornkamm that Romans reflects Paul's past experience, this essay, however, sides with the view that the Sitz im Leben of Romans manifests itself as a letter addressed to the social interactions between Jews and Gentiles and the situation of the Roman Jewish community whom Paul hopes to persuade, as in 14:1 and 15:3, to build up a Christian community net-work in order to give concrete support to his mission to Spain and spiritual support for his journey to Jerusalem (L. K. Lo, 1998 and Ziesler, 1989). This manifestation is again revealed in Paul's discussion of the commonality of sinfulness of Jews and Gentiles in 1:18-32 and 2:21-24, arguing that their solidarity in sin has put them in the same situation of guilt and powerlessness (Lo, 1998). The problem of human sin affecting Jews and Gentiles can only be solved by the divine righteousness which comes...