Deuteronomy 32:3: "For I will proclaim the name of the LORD; ascribe greatness to our God!"
Psalm 5:11-12: "11 But let all who take refuge in you rejoice; let them ever sing for joy, and spread your protection over them, that those who love your name may exult in you. 12 For you bless the righteous, O LORD; you cover him with favor as with a shield."
Romans 3:24-25a: "24 and are justified by his grace as a gift, through the redemption that is in Christ Jesus, 25 whom God put forward as a propitiation by his blood, to be received by faith."
Romans 8:26-27: "26 Likewise the Spirit helps us in our weakness. For we do not know what to pray for as we ought, but the Spirit himself intercedes for us with groanings too deep for words. 27 And he who searches hearts knows what is the mind of the Spirit, because the Spirit intercedes for the saints according to the will of God."
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The text is public domain:
1 The Lord, my God, be praised,My light, my life from heaven;My maker, who to meHas soul and body given;My Father, who will shieldAnd keep me day by dayAnd make each moment yieldNew blessings on my way.2 The Lord, my God, be praised,My trust, my life from heaven,The Father's own dear Son,Whose life for me was given,Who for my sin atonedWith His most precious bloodAnd gives to me by faithThe highest heav'nly good.3 The Lord, my God, be praised,My hope, my life from heaven,The Spirit, whom the SonIn love to me has given.His grace revives my heartAnd gives my spirit pow'r,Help, comfort, and supportIn sorrow's gloomy hour.4 The Lord, my God, be praised,My God, the everliving,To whom the heav'nly hostTheir laud and praise are giving.The Lord, my God, be praised,In whose great name I boast,God Father, God the Son,And God the Holy Ghost.
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Deuteronomy 32:3 appears in the lines "The Lord, my God, be praised, / In whose great name I boast" in the last verse, although these lines may also draw from 1 Corinthians 1:31 (apparently referencing Jeremiah 9:23-24): "so that, as it is written, 'Let the one who boasts, boast in the Lord.'"
Psalm 5:11-12 appears in the first verse, specifically the lines "My Father, who will shield / And keep me day by day." Romans 3:24-25a is the basis for the second verse, but the phrase "precious blood" seems to indicate 1 Peter 1:18-19 as a source, too: "18 knowing that you were ransomed from the futile ways inherited from your forefathers, not with perishable things such as silver or gold, 19 but with the precious blood of Christ, like that of a lamb without blemish or spot." Romans 8:26-27 is the basis for the third verse.