PL
The main objective of this article is to demonstrate that different kinds of borders which we use to treat as a stable phenomenon are, in fact, a result of ideological manipulation. In the political sphere it was clearly demonstrated by Frederik Barth and Zygmunt Bauman. Daniel Boyarin did similar deconstruction of the border between Judaism and Christianity. According to Boyarin, the best way to overcome the theological and ideological tensions between Jews and Christians is a philological analysis of the common religious heritage.