“Thy Seed… As the Sand”
Joseph F. McConkie, Robert L. Millet
This is an allusion to the Abrahamic covenant in which seed as countless as the sands of the sea are promised to the faithful of all ages through the covenant of eternal marriage (see D&C 132:30-32).
Doctrinal Commentary on the Book of Mormon, Vol. 1
References
1 Nephi 20:17–19
