Entrance Antiphon, Cf. Ps 103 (102):20: Bless the Lord, all you his angels, mighty in power, fulfilling his word, and heeding his voice.Gospel Verse, Ps 103:21:Bless the Lord, all you angels, you ministers, who do his will.Preface: God glorified through the Angels: It is truly right and just, our duty and our salvation,