Malachi’s final promise
Malachi ends the Old Testament with both warning and hope. Israel had grown spiritually careless, and the prophet spoke of the coming day when God would deal openly with evil and vindicate those who fear him. Before that day, God promised to send Elijah, whose work would turn hearts within families and call the nation back from rebellion (Malachi 4:1-6).
The point was not curiosity about a famous prophet returning. It was mercy. A people heading towards judgement needed a call to repent, reconcile, and return to the Lord. Elijah’s name recalled the prophet who confronted idolatry in Israel and called the people to recognise the true God (1 Kings 18:21).
Behold, I will send you Elijah the prophet before the coming of the great and dreadful day of the Lord: And he shall turn the heart of the fathers to the children, and the heart of the children to their fathers, lest I come and smite the earth with a curse.
Jesus points to John the Baptist
When Jesus spoke about John the Baptist, he said that John was the Elijah who was to come, if people were willing to receive that testimony (Matthew 11:14). John prepared people for Jesus by calling them to repentance and baptising those who responded. He made straight the way for the Lord, just as a messenger was expected to do (John 1:23).
John was not Elijah returned in a simple, literal sense. When priests and Levites asked whether he was Elijah, John answered no (John 1:21). Yet the angel had already told John’s father, Zacharias, that John would go before the Lord in the spirit and power of Elijah, turning hearts and preparing people for God (Luke 1:17). That is how John fulfilled Elijah’s prophetic role.
And he shall go before him in the spirit and power of Elias, to turn the hearts of the fathers to the children, and the disobedient to the wisdom of the just; to make ready a people prepared for the Lord.
Why this preparation mattered
John’s message exposed a real danger: people can know religious language and still miss the King standing among them. His call to repentance was preparation for meeting Jesus, not a way of earning God’s favour. Jesus came first bringing salvation, and John urged people to receive him with honest, changed hearts (John 1:29).
So Malachi’s promise shows God’s patience. He did not send his day of reckoning without first sending a clear witness. The same pattern runs through Scripture: God warns, invites, and gives people opportunity to turn to him.
Is there still a future Elijah?
Faithful Christians read Jesus’ words in two main ways. Many understand John’s ministry to fulfil Malachi’s promise fully, because Jesus plainly says Elijah had already come and identifies that ministry with John (Matthew 17:10-13). Others notice that Jesus also speaks of Elijah as one who would come and restore all things, and believe there may be a further fulfilment before Christ’s final return (Matthew 17:11).
Scripture does not give enough detail to make the timing or identity of a future messenger a test of faith. The central message is clearer than the debated details: be ready for the Lord. Like John’s hearers, we are invited to turn from sin, trust Christ, and let him reconcile what has been broken.
And Jesus answered and said unto them, Elias truly shall first come, and restore all things. But I say unto you, That Elias is come already, and they knew him not, but have done unto him whatsoever they listed. Likewise shall also the Son of man suffer of them. Then the disciples understood that he spake unto them of John the Baptist.