Since the early days of the church, people have tried to deny the Incarnation and still call themselves Christians. The little letter of 2 John is an answer to them and a reaffirmation of the truth about God in the flesh.
In this section of Daniel, there is the clearest declaration in the Old Testament of the resurrection and eternal life.
Jesus' power over the forces of evil demonstrated that the kingdom of God had come.
The church in Thessalonica not only followed worthy examples but also became one itself.