Matthew 1:20-22

New Revised Standard Version, Anglicised Catholic Edition

²⁰ But just when he had resolved to do this, an angel of the Lord appeared to him in a dream and said, ‘Joseph, son of David, do not be afraid to take Mary as your wife, for the child conceived in her is from the Holy Spirit. ²¹ She will bear a son, and you are to name him Jesus, for he will save his people from their sins.’ ²² All this took place to fulfil what had been spoken by the Lord through the prophet: