1 Nephi 2: 18
But, behold, Laman and Lemuel would not hearken unto my words; and being grieved because of the hardness of their hearts I cried unto the Lord for them.
1 Nephi 7: 8
And now I, Nephi, being grieved for the hardness of their hearts, therefore I spake unto them, saying, yea, even unto Laman and unto Lemuel: Behold ye are mine elder brethren, and how is it that ye are so hard in your hearts, and so blind in your minds, that ye have need that I, your younger brother, should speak unto you, ...
1 Nephi 14: 7
... the Lamb of God, that I will work a great and a marvelous work among the children of men; a work which shall be everlasting, either on the one hand or on the other — either to the convincing of them unto peace and life eternal, or unto the deliverance of them to the hardness of their hearts and the blindness of their minds unto their being brought down into captivity, and also into destruction, both temporally and spiritually, according to the captivity of the devil, of which I have spoken.
1 Nephi 15: 4
And now I, Nephi, was grieved because of the hardness of their hearts, and also, because of the things which I had seen, and knew they must unavoidably come to pass because of the great wickedness of the children of men.
1 Nephi 17: 19
And now it came to pass that I, Nephi, was exceedingly sorrowful because of the hardness of their hearts; and now when they saw that I began to be sorrowful they were glad in their hearts, insomuch that they did rejoice over me, saying: We knew that ye could not construct a ship, for we knew that ye were lacking in judgment; wherefore, thou canst not accomplish so great a work.
2 Nephi 25: 12
But, behold, they shall have wars, and rumors of wars; and when the day cometh that the Only Begotten of the Father, yea, even the Father of heaven and of earth, shall manifest himself unto them in the flesh, behold, they will reject him, because of their iniquities, and the hardness of their hearts, and the stiffness of their necks.
Behold, it is expedient that much should be done among this people, because of the hardness of their hearts, and the deafness of their ears, and the blindness of their minds, and the stiffness of their necks; nevertheless, God is exceedingly merciful unto them, and has not as yet swept them off from the face of the land.
Mosiah 13: 32
And now, did they understand the law? I say unto you, Nay, they did not all understand the law; and this because of the hardness of their hearts; for they understood not that there could not any man be saved except it were through the redemption of God.
Alma 13: 4
And thus they have been called to this holy calling on account of their faith, while others would reject the Spirit of God on account of the hardness of their hearts and blindness of their minds, while, if it had not been for this they might have had as great privilege as their brethren.
Alma 14: 11
But Alma said unto him: The Spirit constraineth me that I must not stretch forth mine hand; for behold the Lord receiveth them up unto himself, in glory; and he doth suffer that they may do this thing, or that the people may do this thing unto them, according to the hardness of their hearts, that the judgments which he shall exercise upon them in his wrath may be just; and the blood of the innocent shall stand as a witness against them, yea, and cry mightily against them at the last day.
Alma 33: 20
But few understood the meaning of those things, and this because of the hardness of their hearts. But there were many who were so hardened that they would not look, therefore they perished. Now the reason they would not look is because they did not believe that it would heal them.
Helaman 6: 35
And thus we see that the Spirit of the Lord began to withdraw from the Nephites, because of the wickedness and the hardness of their hearts.
Helaman 6: 36
And thus we see that the Lord began to pour out his Spirit upon the Lamanites, because of their easiness and willingness to believe in his words.
3 Nephi 7: 16
Therefore, being grieved for the hardness of their hearts and the blindness of their minds — went forth among them in that same year, and began to testify, boldly, repentance and remission of sins through faith on the Lord Jesus Christ.
Mormon 1: 17
But I did remain among them, but I was forbidden to preach unto them, because of the hardness of their hearts; and because of the hardness of their hearts the land was cursed for their sake.
Mormon 3: 12
... wickedness I had led them many times to battle, and had loved them, according to the love of God which was in me, with all my heart; and my soul had been poured out in prayer unto my God all the day long for them; nevertheless, it was without faith, because of the hardness of their hearts.
Mormon 3: 13
And thrice have I delivered them out of the hands of their enemies, and they have repented not of their sins.
Ether 15: 19
But behold, the Spirit of the Lord had ceased striving with them, and Satan had full power over the hearts of the people; for they were given up unto the hardness of their hearts, and the blindness of their minds that they might be destroyed; wherefore they went again to battle.