Parts of faith
The place of origin for the Book of Durrow is debated among scholars between the monastery of Iona, elsewhere in Ireland, and the monastery of Lindisfarne. By Step Thesis.
Fifth century majuscule on parchment containing portions of John. Therefore we can feel quite positive that in his day the original Heb. There are efforts to restore the original, especially with the Dead Sea Scrolls. These history books make up around half the total content of the Old Testament. New World Bible translation committee had no known translators with recognized degrees in Greek or Hebrew exegesis or translation.
When later scribes were copying the copy, they were sometimes uncertain if a note was intended to be included as part of the text.