This document discusses what it means to become a Christian. It explains that going to church does not make one a Christian, but that one must respond to Christ through repentance and faith. It outlines the gospel call, including explaining the facts of sin, death, and Jesus's sacrifice for sins. It emphasizes that believers are called to share the gospel with others, though it is God who makes the message effective. It also discusses justification as God declaring believers righteous through faith in Christ, rather than works, and adoption as believers becoming God's eternal children through salvation.