Luke 2:26-32, 38

and had revealed to him that he would not die until he had seen the Lord’s Messiah. That day the Spirit led him to the Temple. So when Mary and Joseph came to present the baby Jesus to the Lord as the law required, Simeon was there. He took the child in his arms and praised God, saying, “Sovereign Lord, now let your servant die in peace, as you have promised. I have seen your salvation, which you have prepared for all people. He is a light to reveal God to the nations, and he is the glory of your people Israel!”

She came along just as Simeon was talking with Mary and Joseph, and she began praising God. She talked about the child to everyone who had been waiting expectantly for God to rescue Jerusalem.