Luke 2:17
And when they had seen it, they made known abroad the saying which was told them concerning this child.
Cross-reference
In Luke 2:38, Anna also spreads the news about Jesus — both the shepherds and Anna proclaim what they have seen and heard about the child.
In Luke 8:39, the healed demoniac is told to declare what God has done — similar to the shepherds broadcasting the angelic message about Jesus.
John 1:41-46 shows Andrew and Philip immediately telling others they have found the Messiah — the same witness impulse as the shepherds.
John 4:28 shows the Samaritan woman leaving her jar to tell the town about Jesus — like the shepherds, she urgently shares news of the Messiah.
John 4:29 records her words inviting others to 'come, see' — the shepherds also invited wonder by what they said, though without the same invitation.
Psalm 66:16 similarly calls for telling what God has done — the shepherds' testimony echoes this pattern of declaring God's works.
Psalm 71:17 declares God's marvelous deeds since youth — the shepherds' spreading word is a response to seeing his deeds in the child.
Psalm 71:18 resolves to declare God's power to the next generation — the shepherds declare to all present, fulfilling that call.