The Gospel of Matthew quotes Isaiah directly as fulfilling Jesus' virgin birth. The reasons we have to trust it are the same reasons Isaiah himself put on the table when the immediate fulfillment of the prophecy was made within his lifetime.

1. The Emmanuel Prophecy has a dual fulfillment in the fall of the Syrian Empire and the birth of the Messiah.

2. Prophecies having two fulfillments are recognized as a sound handling of scripture before and after the time of Jesus.

3. The significance of Christmas is remembering this prophecy's second fulfillment in history.