Just as in the highest revelation made by Jesus Christ the angels in heaven rejoice over the repentant sinner, so in the psalmist’s view the mercy of Jehovah to his faithful people is cause for high acclaim among the hosts around the throne.
Related Commentaries of Psalms 103:20
Psalms 103:20
20 Bless the LORD, ye his angels, that excela in strength, that do his commandments, hearkening unto the voice of his word.