When we considered the Covenant of Law given through Moses, we detected a major problem that we have with God’s law: we cannot keep it. In light of this fact, in Jeremiah 31:31-34, God announced a New Covenant that would transform our relationship to the law by providing what we all need – complete forgiveness for all our sins.
Because of a general persecution in Jerusalem, the believers were scattered and took the gospel to Judea and Samaria, where many believed in Christ.
When it looked like God had forgotten his people, he remembered his covenant promises.
When we hear the gospel and believe it, Christians are sealed with the Holy Spirit.