Jacob 2:49 Look unto God with firmness of mind, and pray unto him with exceeding faith, and he will console you in your afflictions, and he will plead your cause, and send down justice upon those who seek your destruction.
Jacob 3:29 Behold, my beloved brethren, I will unfold this mystery unto you; if I do not, by any means get shaken from my firmness in the Spirit, and stumble because of my overanxiety for you.
Helaman 2:118 And it came to pass that when the sixty and second year of the reign of the Judges had ended, all these things had happened, and the Lamanites had become, the more part of them, a righteous people, insomuch that their righteousness did exceed that of the Nephites, because of their firmness, and their steadiness in the faith.
Helaman 5:100 And now because of their steadfastness, when they do believe, in that thing which they do believe; for because of their firmness when they are once enlightened, behold the Lord shall bless them and prolong their days, notwithstanding their iniquity;
3 Nephi 2:2 And these are the words which were written, saying, Lachoneus, most noble and chief governor of the land, behold I write this epistle unto you, and do give unto you exceeding great praise because of your firmness, and also the firmness of your people, in maintaining that which ye suppose to be your right and liberty;
3 Nephi 2:6 Therefore I have written this epistle, sealing it with mine own hand, feeling for your welfare, because of your firmness in that which ye believe to be right, and your noble spirit in the field of battle;
Mormon 1:54 And it came to pass that we did stand before them with such firmness, that they did flee from before us.
Mormon 4:94 Be wise in the days of your probation; strip yourselves of all uncleanness; ask not, that ye may consume it on your lusts, but ask with a firmness unshaken, that ye will yield to no temptation, but that ye will serve the true and living God.