3 Nephi 28:24–25

And now I, Mormon, make an end of speaking concerning these things for a time. Behold, I was about to write the names of those who were never to taste of death, but the Lord forbade; therefore I write them not, for they are hid from the world.

From section: Mormon’s Thoughts as he Concludes the Account of Christ’s Ministry

From page: Mormon Abridges the Nephite Records

Commentary