Charles Ellicott Commentary Isaiah 49:5

"And now saith Jehovah that formed me from the womb to be his servant, to bring Jacob again to him, and that Israel be gathered unto him (for I am honorable in the eyes of Jehovah, and my God is become my strength);" — Isaiah 49:5 (ASV)

Though Israel be not gathered. —Better, and that Israel be gathered to Him. The negative, as in Isaiah 9:3, comes from an error of transcription; for “yet” read and. The Servant relies on the greatness of the work committed to him, that of restoring Israel, and is certain that sooner or later it will be accomplished. Compare the argument of Romans 9-11.