4 Bible Verses about Angels, Ministry To Believers

when an angel of the Lord stood at his side, and a light shone in the room, and striking Peter on the side, he woke him, and said to him, "Get up quickly!" The chains dropped from his hands, and the angel said to him, "Put on your belt and your sandals!" And he did so. Then he said to him, "Put on your coat and follow me!" So he followed him out without knowing that what the angel was doing was real, for he thought he was having a vision.read more.
They passed the first guard and then the second, and came to the iron gate that led into the city. It opened to them of itself, and they passed out and went along one street, when suddenly the angel left him. Then Peter came to himself, and he said, "Now I am certain that the Lord sent his angel and rescued me from the power of Herod and all that the Jewish people were expecting."

But an angel of the Lord said to Philip, "Get up and go south, by the road that runs from Jerusalem to Gaza." (The town is now deserted.)

For last night an angel of the God I belong to and serve stood before me,

Are not the angels all spirits in service, whom he sends on his errands for the good of those who are destined to possess salvation?