Romans 9:27-28 attributes Isaiah 10:22 to the prophet Isaiah.
Romans 9, New Testament, The Church of Jesus Christ of Latter-day Saints, accessed August 17, 2023
27 Esaias also crieth concerning Israel, Though the number of the children of Israel be as the sand of the sea, a remnant shall be saved:
28 For he will finish the work, and cut it short in righteousness: because a short work will the Lord make upon the earth.