The syntagma „began to call on the name of the Lord” is an important excerpt in the Primeval history. This expression is connected to Enosh, who developes worship and brings hope that mankind which is constantly distancing from God, will be salvaged. However, most frequently we connect the acquaintance of the God’s name with telling about the call of Moses and God self-presentation in a burning bush, translated usually as a: „I Am who I Am” (Exod 3,14-15). Although these above fragments seem to be in a contrary, consist their reciprocal theological coherence. Basing on historical-critical methods of working on biblical text Gen 4,26 and Exod 3,14-15 the article collates the results of analysis of excerpts. It allows to understand the God’s ...