God warns the nations of a coming judgment, calling them to decide whether they will stand in judgment or turn and be saved, and dwell forever in his land of abundant blessing.
Jesus’ first coming will be to save his people from judgment and it will be marked out with signs and wonders, the giving of the Holy Spirit and the long-awaited inclusion of the Gentiles so that it cannot be missed.
God met the repentance of Israel with the restoration of earthly blessing as an anticipation of greater eternal blessing to come.
True repentance admits guilt and responsibility, yielding all rights, hoping only for grace which is not deserved.
Because God is a God of grace, when he warns of disaster it is with the hope that we would repent and turn to him for grace, knowing that if we do, he will repent or turn from what he said he would do and show us mercy.
Since the beginning, the Lord has been warning his people about a day when he will come in judgment so that they might repent while there is time.
The power for the Almighty God is only a comfort to those who turn from their sin and call upon him for mercy.
Joel announces the coming judgment of God, but does so with a view to the hope of salvation.
The Gospel writer wants to establish the identity of John, who was anticipated by the Old Testament, and brings about a conclusion to the Old Testament witness regarding Christ by announcing the arrival of the Light and the Gospel to all men.