Genesis 5, 11
The Masoretic Text's genealogical numbers place Noah's death when Abraham was 58 years old. The Septuagint's numbers put 722 years between them. Both can't be right.
Isaiah 53:4–6
Three ancient witnesses — the Masoretic Text, the Septuagint, and the Dead Sea Scrolls — preserve Isaiah's portrait of vicarious suffering. Where they agree and diverge reveals how ancient readers understood the cost of peace.