our first parents … forever miserable, having no preparatory state, Alma 12:26.
holy calling which was prepared with, and according to, a preparatory redemption, Alma 13:3.
it became a preparatory state, Alma 42:10.
priesthood holdeth the key of … the preparatory gospel, D&C 84:26.
let there be a beginning … and a preparatory work, D&C 115:9.