Luke 4:10

for it is written, 'He will command his angels concerning you, to protect you,'

For he will command his angels concerning you, to watch over you in all your ways.

So the devil said to him, "If you are the Son of God, order this stone that it become bread!"

And Jesus answered [and] said to him, "It is written, 'You shall worship the Lord your God, and serve only him.'"

And no wonder, for Satan himself disguises himself as an angel of light.

Are they not all spirits engaged in special service, sent on assignment for the sake of those who are going to inherit salvation?

Treasury of Scripture Knowledge

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

For he will command his angels concerning you, to watch over you in all your ways.

Are they not all spirits engaged in special service, sent on assignment for the sake of those who are going to inherit salvation?