1 Nephi 1:63 "And now behold, thy brothers murmur, saying it is a hard thing which I have required of them; But behold, I have not required it of them, but it is a commandment of the Lord;
1 Nephi 1:92 Wherefore, Laman and Lemuel did speak many hard words unto us, their younger brothers, And they did smite us, even with a rod.
1 Nephi 2:14 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, thou art 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, yea, and set an example for you?
1 Nephi 4:3 For he truly spake many great things unto them which were hard to be understood save a man should inquire of the Lord;
1 Nephi 4:4 And they being hard in their hearts, therefore they did not look unto the Lord as they had ought.
1 Nephi 5:1 And now it came to pass that after I, Nephi, had made an end of speaking to my brethren, behold, they said unto me: "Thou hast declared unto us hard things, more than that which we are able to bear."
1 Nephi 5:2 And it came to pass that I said unto them that I knew that I had spoken hard things against the wicked, according to the truth; And the righteous have I justified and testified that they should be lifted up at the last day; Wherefore, the guilty taketh the truth to be hard, for it cutteth them to the very center.
1 Nephi 5:3 "And now my brethren, if ye were righteous, and were willing to hearken to the truth, and give heed unto it, that ye might walk uprightly before God, Then ye would not murmur because of the truth and say, 'Thou speakest hard things against us.'"
1 Nephi 5:150 O then, why is it that ye can be so hard in your hearts?
2 Nephi 6:77 Do not say that I have spoken hard things against you, for if ye do, ye will revile against the truth, For I have spoken the words of your Maker;
2 Nephi 6:78 I know that the words of truth are hard against all uncleanness, but the righteous fear it not, for they love the truth and are not shaken.
2 Nephi 10:25 And it shall come to pass that in that day, that the Lord shall give thee rest from thy sorrow and from thy fear and from the hard bondage wherein thou wast made to serve.
2 Nephi 11:2 For behold, Isaiah spake many things which were hard for many of my people to understand, For they know not concerning the manner of prophesying among the Jews,
Jacob 1:15 And now it came to pass that the people of Nephi under the reign of the second king began to grow hard in their hearts, And indulge themselves somewhat in wicked practices, such as like unto David of old, desiring many wives and concubines, and also Solomon his son;
Enos 1:36 And the people were a stiff-necked people, hard to understand;
Alma 16:259 And seeing that the hearts of the people began to wax hard and that they began to be offended because of the strictness of the word, His heart was exceeding sorrowful;
Helaman 5:64 "And now because I am a Lamanite and hath spoken unto you the words which the Lord hath commanded me, And because it was hard against you, Ye are angry with me and do seek to destroy me and have cast me out from among you.
3 Nephi 1:39 Insomuch that they began to be hard in their hearts and blind in their minds, And began to disbelieve all which they had heard and seen, Imagining up some vain thing in their hearts, that it was wrought by men and by the power of the devil to lead away and deceive the hearts of the people;
