Adam Clarke's Commentary on the Bible - Isaiah 44:7
Let them show unto them "Let them declare unto us" - For למו lamo , unto them, the Chaldee reads לנו lanu , unto us The Septuagint read לכם lachem , unto you; which is preferable to the reading of the text. But למו lamo , and לנו lanu , are frequently mistaken one for the other, see Isaiah 10:29 ; Psalm 80:7 ; Psalm 64:6 . read more
John Gills Exposition of the Bible Commentary - Isaiah 44:23
Sing, O ye heavens, for the Lord hath done it ,.... Done what he promised, the forgiveness of the sins of his people, and the redemption of them. So the Targum, "because the Lord hath wrought redemption for his people.' The Vulgate Latin version adds, "mercy" F15 "Quia fecit misericordiam", V. L. ; and so the Septuagint version, "because God hath had mercy on Israel" F16 οτι ηλεησεν ο θεος τον ισραηλ , Sept. ; and therefore the heavens are called upon to sing on this... read more