that you might know concerning the truth, D&C 6:22.
Spirit, which shall enlighten your mind, D&C 11:13.
that ye may not be deceived seek … best gifts, D&C 46:8 (46:23).
given unto them to discern all those gifts, D&C 46:27.
received ye spirits which ye could not understand, D&C 50:15 (50:13–35).
by this pattern ye shall know the spirits, D&C 52:19.
enabled to discern by the Spirit, D&C 63:41.
Spirit enlighteneth every man through the world, D&C 84:46.
body which is filled with light comprehendeth all, D&C 88:67.
men may discern between the righteous and the wicked, D&C 101:95.
three grand keys whereby you may know, D&C 129:9.
spirit is matter … can only be discerned by purer eyes, D&C 131:7.