 The gospel is nevertheless still seen as the most reliable of the four in terms of its overall description of Jesus's life and ministry.Christianity began within Judaism, with a Christian "church" (or ἐκκλησία, "ekklesia", meaning "assembly") that arose shortly after Jesus's death, when some of his followers claimed to have witnessed him risen from the dead.From the outset, Christians depended heavily on Jewish literature, supporting their convictions through the Jewish scriptures.