Luke 1:70 says that God’s promise of salvation was not a new idea invented in the first century. It was spoken long before, through the prophets whom God raised up across many generations, so that what Zacharias celebrates in his song is the fulfillment of a message God had been giving his people for a very long time. The verse is part of the prophecy Zacharias speaks after his son John is born. Luke tells us he was filled with the Holy Spirit, and his words in verses 68 to 79 praise God for visiting and redeeming his people.
(as he spoke by the mouth of his holy prophets who have been from of old)…
Luke 1:70 (WEB)
What Luke 1:70 Means
The phrase “as he spoke” tells you that God is the one who speaks, and that his speaking is reliable. The words “by the mouth of his holy prophets” name the means: God chose human messengers to carry his word, and their message was holy because it came from him. The closing phrase, “who have been from of old,” points back to a long history. The prophets did not speak only in their own day. Their words stretched across centuries, and they all pointed in the same direction.
What the verse does not do is give you a detailed timeline of every prophecy or identify each prophet by name. Zacharias is pointing to the broad witness of Israel’s prophets as a whole. It also does not claim that every believer in every age understood the prophets fully. It makes a narrower claim: God had been faithful in what he said, and the coming of salvation through David’s line was the outcome he had promised.
The Context of Luke 1:70
Luke wrote his Gospel to a Gentile reader, Theophilus, and he took care to root the story of Jesus in the history of Israel. Zacharias is a priest, and his song is full of Old Testament language and imagery. The verse sits inside a canticle that begins with blessing God for visiting his people and raising up “a horn of salvation” in the house of David. Just before it, verse 69 points to David’s line, and just after it, verses 71 to 73 name the enemies from whom God will save and the covenant he swore to Abraham.
Because the verse is wedged between the promise of David’s house and the promise to Abraham, it reads as a bridge. It connects the prophetic word with the covenant oath and shows that the coming of Jesus is the kind of fulfillment the prophets and the covenant both anticipated. Read this way, the verse is less about the prophets as a category and more about the continuity of God’s plan from the beginning to the moment Zacharias is speaking.
Key Phrases in Luke 1:70
Acts 3:21
Whom heaven must receive until the times of restoration of all things, which God spoke long ago by the mouth of his holy prophets.
(WEB)
Peter speaks of the times of restoration that God spoke about through all his holy prophets long ago. The echo of “holy prophets” makes this a helpful companion to Luke 1:70, showing that the early church also understood the prophets as the foundation of God’s saving plan.
Romans 1:2
Which he promised before through his prophets in the holy Scriptures…
(WEB)
Paul says God promised the gospel beforehand through his prophets in the holy Scriptures. The verse places the gospel inside the long story of prophetic witness and reinforces the theme of God’s promises being spoken well before their fulfillment.
A Short Prayer From Luke 1:70
Lord God, you have spoken, and your word has never fallen to the ground. Thank you for the prophets who carried your message across many generations, and for the faithfulness that stretches from their day to ours. When I am uncertain or weary, help me remember that you have been keeping your promises for a very long time. Teach me to trust your word more than my own fears, and to rest in the certainty that what you have said, you will do. Amen.
