It was decreed in the counsels of eternity, long before the foundations of the earth were laid, that he, Joseph Smith, should be the man, in the last dispensation of this world, to bring forth the word of God to the people, and receive the fulness of the keys and power of the Priesthood of the Son of God. The Lord had his eyes upon him, and upon his father, and upon his father’s father, and upon their progenitors clear back to Abraham, and from Abraham to the flood, from the flood to Enoch, and from Enoch to Adam. He has watched that family and that blood as it has circulated from its fountain to the birth of that man. He was fore-ordained in eternity to preside over this last dispensation.
(Brigham Young, Discourses of Brigham Young, p. 108)