"For Christ also hath once suffered for sins, the just for the unjust, that he might bring us to God, being put to death in the flesh, but quickened by the Spirit:
"By which also he went and preached unto the spirits in prison;
"Which sometime were disobedient, when once the longsuffering of God waited in the days of Noah, while the ark was a preparing, wherein few, that is, eight souls were saved by water.
"The like figure whereunto even baptism doth also now save us (not the putting away of the filth of the flesh, but the answer of a good conscience toward God,) by the resurrection of Jesus Christ:
"Who is gone into heaven, and is on the right hand of God; angels and authorities and powers being made subject unto him." ~ 1 Peter 3:18-22 ~

"Behold, these are they who died without law;
"And also they who are the spirits of men kept in prison, whom the Son visited, and preached the gospel unto them, that they might be judged according to men in the flesh;
"Who received not the testimony of Jesus in the flesh, but afterwards received it." ~ D&C Section 76:72-74 ~

"But his ministry among those who were dead was limited to the brief time intervening between the crucifixion and his resurrection;
"And I wondered at the words of Peter—wherein he said that the Son of God preached unto the spirits in prison, who sometime were disobedient, when once the long-suffering of God waited in the days of Noah—and how it was possible for him to preach to those spirits and perform the necessary labor among them in so short a time.
" . . .
"But behold, from among the righteous, he organized his forces and appointed messengers, clothed with power and authority, and commissioned them to go forth and carry the light of the gospel to them that were in darkness, even to all the spirits of men; and thus was the gospel preached to the dead.
"And the chosen messengers went forth to declare the acceptable day of the Lord and proclaim liberty to the captives who were bound, even unto all who would repent of their sins and receive the gospel.
"Thus was the gospel preached to those who had died in their sins, without a knowledge of the truth, or in transgression, having rejected the prophets." ~ D&C Section 138:27-28 & 30-32) ~

"And when all things shall be subdued unto him, then shall the Son also himself be subject unto him that put all things under him, that God may be all in all.
"Else what shall they do which are baptized for the dead, if the dead rise not at all? why are they then baptized for the dead?" ~ 1 Corinthians 15:28-29 ~