Psalms 103:21
"Bless ye the LORD, all ye his hosts; ye ministers of his, that do his pleasure."Psalms 103:21 (KJV)
Context from Psalms 103
19
The LORD hath prepared his throne in the heavens; and his kingdom ruleth over all.
20
Bless the LORD, ye his angels, that excel in strength, that do his commandments, hearkening unto the voice of his word.
21
Bless ye the LORD, all ye his hosts; ye ministers of his, that do his pleasure.
22
Bless the LORD, all his works in all places of his dominion: bless the LORD, O my soul.