Borrowed
The Tender Mercies of the Lord: The Thesis of The Book of Mormon
Nephi opens the record with it, Moroni closes by asking you to count them from Adam until now. Mercy arrives as strength, not as relief.
Scripture
1 Nephi 1:20 & Moroni 10:3–4 · Nephi and Moroni
The first claim of the Book of Mormon and its last instruction