The Holy Bible, Deuteronomy 30:1-5

1 And it shall come to pass, when all these things are come upon thee, the blessing and the curse, which I have set before thee, and thou shalt call them to mind among all the nations, whither the Lord thy God hath driven thee,

2 And shalt return unto the Lord thy God, and shalt obey his voice according to all that I command thee this day, thou and thy children, with all thine heart, and with all thy soul;

3 That then the Lord thy God will turn thy captivity, and have compassion upon thee, and will return and gather thee from all the nations, whither the Lord thy God hath scattered thee.

4 If any of thine be driven out unto the outmost parts of heaven, from thence will the Lord thy God gather thee, and from thence will he fetch thee:

5 And the Lord thy God will bring thee into the land which thy fathers possessed, and thou shalt possess it; and he will do thee good, and multiply thee above thy fathers.

The Holy Bible, Ezekiel 36

In the last days, all the house of Israel will be gathered to their own lands—The Lord will give them a new heart and a new spirit—They will have His gospel law.

The Holy Bible, Isaiah 11:12

12 And he shall set up an ensign for the nations, and shall assemble the outcasts of Israel, and gather together the dispersed of Judah from the four corners of the earth.

The Holy Bible, Isaiah 49

The Book of Mormon, 1 Nephi 14:17

17 And when the day cometh that the wrath of God is poured out upon the mother of harlots, which is the great and abominable church of all the earth, whose founder is the devil, then, at that day, the work of the Father shall commence, in preparing the way for the fulfilling of his covenants, which he hath made to his people who are of the house of Israel.

The Book of Mormon, 1 Nephi 19:13-17

13 And as for those who are at Jerusalem, saith the prophet, they shall be scourged by all people, because they crucify the God of Israel, and turn their hearts aside, rejecting signs and wonders, and the power and glory of the God of Israel.

14 And because they turn their hearts aside, saith the prophet, and have despised the Holy One of Israel, they shall wander in the flesh, and perish, and become a hiss and a byword, and be hated among all nations.

15 Nevertheless, when that day cometh, saith the prophet, that they no more turn aside their hearts against the Holy One of Israel, then will he remember the covenants which he made to their fathers.

16 Yea, then will he remember the isles of the sea; yea, and all the people who are of the house of Israel, will I gather in, saith the Lord, according to the words of the prophet Zenos, from the four quarters of the earth.

17 Yea, and all the earth shall see the salvation of the Lord, saith the prophet; every nation, kindred, tongue and people shall be blessed.

The Book of Mormon, 1 Nephi 21

The Book of Mormon, 2 Nephi 10:7-9

7 But behold, thus saith the Lord God: When the day cometh that they shall believe in me, that I am Christ, then have I covenanted with their fathers that they shall be restored in the flesh, upon the earth, unto the lands of their inheritance.

8 And it shall come to pass that they shall be gathered in from their long dispersion, from the isles of the sea, and from the four parts of the earth; and the nations of the Gentiles shall be great in the eyes of me, saith God, in carrying them forth to the lands of their inheritance.

9 Yea, the kings of the Gentiles shall be nursing fathers unto them, and their queens shall become nursing mothers; wherefore, the promises of the Lord are great unto the Gentiles, for he hath spoken it, and who can dispute?

The Book of Mormon, 2 Nephi 24:2

2 And the people shall take them and bring them to their place; yea, from far unto the ends of the earth; and they shall return to their lands of promise. And the house of Israel shall possess them, and the land of the Lord shall be for servants and handmaids; and they shall take them captives unto whom they were captives; and they shall rule over their oppressors.

The Book of Mormon, 2 Nephi 6:11

11 Wherefore, after they are driven to and fro, for thus saith the angel, many shall be afflicted in the flesh, and shall not be suffered to perish, because of the prayers of the faithful; they shall be scattered, and smitten, and hated; nevertheless, the Lord will be merciful unto them, that when they shall come to the knowledge of their Redeemer, they shall be gathered together again to the lands of their inheritance.

The Book of Mormon, Jacob 5

The Doctrine and Covenants, Section 77:8-9

8 Q. What are we to understand by the four angels, spoken of in the 7th chapter and 1st verse of Revelation? A. We are to understand that they are four angels sent forth from God, to whom is given power over the four parts of the earth, to save life and to destroy; these are they who have the everlasting gospel to commit to every nation, kindred, tongue, and people; having power to shut up the heavens, to seal up unto life, or to cast down to the regions of darkness.

9 Q. What are we to understand by the angel ascending from the east, Revelation 7th chapter and 2nd verse? A. We are to understand that the angel ascending from the east is he to whom is given the seal of the living God over the twelve tribes of Israel; wherefore, he crieth unto the four angels having the everlasting gospel, saying: Hurt not the earth, neither the sea, nor the trees, till we have sealed the servants of our God in their foreheads. And, if you will receive it, this is Elias which was to come to gather together the tribes of Israel and restore all things.

Book of Mormon Student Manual, Jacob 5

Book of Mormon Student Manual, Jacob 5 (Diagram)

History of the Church, Orson Hyde 4:456-457

[I] dedicate and consecrate this land unto Thee, for the gathering together of Judah’s scattered remnants, according to the predictions of the holy Prophets–for the building up of Jerusalem again after it has been trodden down by the Gentiles so long, and for rearing a Temple in honor of Thy name. … O Thou, Who didst covenant with Abraham, Thy friend, and who didst renew that covenant with Isaac, and confirm the same with Jacob with an oath, that Thou wouldst not only give them this land for an everlasting inheritance, but that Thou wouldst also remember their seed forever. Abraham, Isaac, and Jacob have long since closed their eyes in death, and made the grave their mansion. Their children are scattered and dispersed abroad among the nations of the Gentiles like sheep that have no shepherd, and are still looking forward for the fulfillment of those promises which Thou didst make concerning them; … Grant, therefore, O Lord, in the name of Thy well-beloved Son, Jesus Christ, to remove the barrenness and sterility of this land, and let springs of living water break forth to water its thirsty soil. Let the vine and olive produce in their strength, and the fig-tree bloom and flourish. Let the land become abundantly fruitful when possessed by its rightful heirs; let it again flow with plenty to feed the returning prodigals… Incline them to gather in upon this land according to Thy word. Let them come like clouds and like doves to their windows. Let the large ships of the nations bring them from the distant isles; and let kings become their nursing fathers, and queens with motherly fondness wipe the tear of sorrow from their eye. … Let them know that it is Thy good pleasure to restore the kingdom unto Israel–raise up Jerusalem as its capital, and constitute her people a distinct nation and government, with David Thy servant, even a descendant from the loins of ancient David to be their king.