In the fourth antiphon, we are introduced to Christ as the Key of David, referring to the authority, amnesty and assurance of the King. Jesus continues to assure us through the word of the Gospel that he who is the Key of David has opened wide for us the gate to heaven. In this sermon, we consider what this messianic title from the book of Isaiah means and how Jesus fulfils it, even today.

This sermon was preached by Rev Christopher Poshin David on December 7, 2025, at Trinity Presbyterian Church, Chennai.

Advent Series: O Come, O Come, Emmanuel (on the O Antiphons)

The O Antiphons, an ancient church tradition, are a series of seven prayers addressed to Jesus Christ by the Messiah's Biblical titles, and sung in the season of Advent. These prayers are relevant for us in the modern world too for in these prayers we address the same living Christ who has come, will come, and is coming to his people even today.

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