Whedon's Commentary on the Bible - Psalms 71:23
23. My lips shall greatly rejoice No common joy could express the feelings due to such wonderful deliverance. Bishop Mant versifies it, taking the word rendered “greatly rejoice” as indicating “a brisk, vibratory motion, like that of the lips in singing a lively air;” the lips keeping time with the emotions of the soul: “Quick with delight my lips shall move, My soul an answering rapture prove, To sing thy guardian name.” read more
Whedon's Commentary on the Bible - Psalms 71:22
22. Thy truth Or, thy faithfulness. David’s salvation would cause him to praise not only the mercy and pity of God, but his truth, righteousness, holiness, because with these he was in harmony, and without these God could extend no mercy. See note on Psalms 71:19. read more