Luke 4:10

for it is written, He shall give his angels charge concerning thee, to guard thee:

For he will give his angels charge over thee, To keep thee in all thy ways.

And the devil said unto him, if thou art the Son of God, command this stone that it become bread.

And Jesus answered and said unto him, It is written, Thou shalt worship the Lord thy God, and him only shalt thou serve.

And no marvel; for even Satan fashioneth himself into an angel of light.

Are they not all ministering spirits, sent forth to do service for the sake of them that shall inherit salvation?

Treasury of Scripture Knowledge

For it is written, He shall give his angels charge over thee, to keep thee:

For he will give his angels charge over thee, To keep thee in all thy ways.

Are they not all ministering spirits, sent forth to do service for the sake of them that shall inherit salvation?