In the last three verses of our Old Testament, Malachi 4:4-6, two of the biggest figures of biblical history make a cameo appearance, Moses and Elijah, representatives of the law and the prophets and forerunners of Jesus.
God used the sinful actions of humans to fulfill his will to provide the innocent one to take the place of the guilty.
In John 20:19-31, Jesus appeared to his disciples twice, once to commission and equip them and a second time to show himself to Thomas....
Paul warned Christians about false teachers who would persuade them to boast in themselves instead of in Christ.