Mosiah 27:25

25 And the Lord said unto me: Marvel not that all mankind, yea, men and women, all nations, kindreds, tongues, and people, must be born again; yea, born of God, changed from their carnal and fallen state, to a state of righteousness, being redeemed of God, becoming his sons and daughters.

Mosiah 26:13-15/22-24/30

13 And now the spirit of Alma was again troubled; and he went and inquired of the Lord what he should do concerning the matter, for he feared that he should do wrong in the sight of God.
14 And it came to pass that after he had poured out his whole soul to God, the voice of the Lord came to him, saying:
15 Blessed art thou, Alma...

22 For behold, this is my church; whosoever is baptized shall be baptized unto repentance. And whomsoever ye receive shall believe in my name; and him will I freely forgive.
23 For it is I that taketh upon me the sins of the world; for it is I that hath created them; and it is I that granteth unto him that believeth a place at my right hand.
24 For behold, in my name are they called; and if they know me they shall come forth, and shall have a place eternally at my right hand.

30 Yea, and as often as my people repent will I forgive them their trespasses against me.

Mosiah 18:8-10

8 And it came to pass that he said unto them: Behold, here are the waters of Mormon (for thus were they called) and now, as ye are desirous to come into the fold of God, and to be called his people, and are willing to bear one another's burdens, that they may be light;
9 Yea, and are willing to mourn with those that mourn; yea, and comfort those that stand in need of comfort, and to stand as a witness of God at all times and in all things, and in all places that ye may be in, even until death, that ye may be redeemed of God, and be numbered with those of the first resurrection, that ye may have eternal life--
10 Now I say unto you, if this be the desire of your hearts, what have ye against being baptized in the name of the Lord, as a witness before him that ye have entered into a covenant with him, that ye will serve him and keep his commandments, that he may pour out his spirit more abundantly upon you?

2 Nephi 31:13/19-20

13 Wherefore, my beloved brethren, I know that if ye shall follow the Son, with full purpose of heart, acting no hypocrisy and no deception before God, but with real intent, repenting of your sins, witnessing unto the Father that ye are willing to take upon you the name of Christ, by baptism—yea, by following your Lord and your Savior down into the water, according to his word, behold, then shall ye receive the Holy Ghost; yea, then cometh the baptism of fire and of the Holy Ghost; and then can ye speak with the tongue of angels, and shout praises unto the Holy One of Israel.

19 And now, my beloved brethren, after ye have gotten into this strait and narrow path, I would ask if all is done? Behold, I say unto you, Nay; for ye have not come thus far save it were by the word of Christ with unshaken faith in him, relying wholly upon the merits of him who is mighty to save.
20 Wherefore, ye must press forward with a steadfastness in Christ, having a perfect brightness of hope, and a love of God and of all men. Wherefore, if ye shall press forward, feasting upon the word of Christ, and endure to the end, behold, thus saith the Father: Ye shall have eternal life.

John 3:5

5. Jesus answered, Verily verily I say unto thee, Except a man be born of water and of the Spirit, he cannot enter into the kingdom of God.

D&C 20:37

37. And again, by way of commandment to the church concerning the manner of baptism--All those who humble themselves before God, and desire to be baptized, and come forth with broken hearts and contrite spirits, and witness before the church that they have truly repented of all their sins, and are willing to take upon them the name of Jesus Christ, having a determination to serve him to the end, and truly manifest by their works that they have received of the Spirit of Christ unto the remission of their sins, shall be received by baptism into his church.

Articles of Faith 1-5

1. We believe in God the Eternal Father, and in His Son, Jesus Christ, and in the Holy Ghost.
2. We believe that men will be punished for their own sins, and not for Adam's transgression.
3. We believe that through the Atonement of Christ, all mankind may be saved, by obedience to the laws and ordinances of the gospel.
4. We believe that the first principles and ordinances are: first, Faith in the Lord Jesus Christ; second, Repentance; third, Baptism by immersion for the remission of sins; fourth, Laying on of hands for the gift of the Holy Ghost.
5. We believe that a man must be called of God, by prophesy, and by the laying on of hands by those who are in authority, to preach the gospel and administer in the ordinances thereof.

Mosiah 5:7

7. And now, because of the covenant which ye have made ye shall be called the children of Christ, his sons, and his daughters; for behold, this day he hath spiritually begotten you; for ye say that your hearts are changed through faith on his name, therefore, ye are born of him, and have become his sons and his daughters.

2 Nephi 31:13

13. Wherefore, my beloved brethren, I know that if ye shall follow the Son, with full purpose of heart, acting no hypocricy and no deception before God, but with real intent, repenting of your sins, witnessing unto the Father that you are willing to take upon you the name of Christ, by baptism-yea, by following your Lord and your Savior down into the water, according to his word, behold, then shall ye receive the Holy Ghost, yea, then cometh the baptism of fire and of the Holy Ghost; and then can ye speak with the tongue of angels, and shout praises unto the Holy One of Israel.