It must be

1. Gen. 29: 26
     26 And Laban said, It must not be so done in our country, to give the younger before the firstborn.
2. Gen. 43: 11
     11 And their father Israel said unto them, If it must be so now, do this; take of the best fruits of the land in your vessels, and carry down the man a present, a little balm, and a little honey, spices, and myrrh, nuts, and almonds:
3. Lev. 11: 32
     32 And upon whatsoever any of them, when they are dead, doth fall, it shall be unclean; whether it be any vessel of wood, or raiment, or skin, or sack, whatsoever vessel it be, wherein any work is done, it must be put into water, and it shall be unclean until the even; so it shall be cleansed.
4. Matt. 18: 7
     7 ¶ Woe unto the world because of offences! for it must needs be that offences come; but woe to that man by whom the offence cometh!
5. Matt. 26: 54
     54 But how then shall the scriptures be fulfilled, that thus it must be?
6. 1 Ne. 3: 18
     18 For behold, they have rejected the words of the prophets. Wherefore, if my father should dwell in the land after he hath been commanded to flee out of the land, behold, he would also perish. Wherefore, it must needs be that he flee out of the land.
7. 1 Ne. 10: 13
     13 Wherefore, he said it must needs be that we should be led with one accord into the land of promise, unto the fulfilling of the word of the Lord, that we should be scattered upon all the face of the earth.
8. 1 Ne. 15: 33
     33 Wherefore, if they should die in their wickedness they must be cast off also, as to the things which are spiritual, which are pertaining to righteousness; wherefore, they must be brought to stand before God, to be judged of their works; and if their works have been filthiness they must needs be filthy; and if they be filthy it must needs be that they cannot dwell in the kingdom of God; if so, the kingdom of God must be filthy also.
9. 1 Ne. 17: 25
     25 Now ye know that the children of Israel were in bondage; and ye know that they were laden with tasks, which were grievous to be borne; wherefore, ye know that it must needs be a good thing for them, that they should be brought out of bondage.
10. 1 Ne. 19: 21
      21 And he surely did show unto the prophets of old all things concerning them; and also he did show unto many concerning us; wherefore, it must needs be that we know concerning them for they are written upon the plates of brass.
11. 1 Ne. 22: 18
      18 Behold, my brethren, I say unto you, that these things must shortly come; yea, even blood, and fire, and vapor of smoke must come; and it must needs be upon the face of this earth; and it cometh unto men according to the flesh if it so be that they will harden their hearts against the Holy One of Israel.
12. 2 Ne. 1: 27
      27 And it must needs be that the power of God must be with him, even unto his commanding you that ye must obey. But behold, it was not he, but it was the Spirit of the Lord which was in him, which opened his mouth to utterance that he could not shut it.
13. 2 Ne. 2: 11, 15
      11 For it must needs be, that there is an opposition in all things. If not so, my first-born in the wilderness, righteousness could not be brought to pass, neither wickedness, neither holiness nor misery, neither good nor bad. Wherefore, all things must needs be a compound in one; wherefore, if it should be one body it must needs remain as dead, having no life neither death, nor corruption nor incorruption, happiness nor misery, neither sense nor insensibility.
          •  •  •
      15 And to bring about his eternal purposes in the end of man, after he had created our first parents, and the beasts of the field and the fowls of the air, and in fine, all things which are created, it must needs be that there was an opposition; even the forbidden fruit in opposition to the tree of life; the one being sweet and the other bitter.
14. 2 Ne. 9: 7, 48
      7 Wherefore, it must needs be an infinite atonement—save it should be an infinite atonement this corruption could not put on incorruption. Wherefore, the first judgment which came upon man must needs have remained to an endless duration. And if so, this flesh must have laid down to rot and to crumble to its mother earth, to rise no more.
          •  •  •
      48 Behold, if ye were holy I would speak unto you of holiness; but as ye are not holy, and ye look upon me as a teacher, it must needs be expedient that I teach you the consequences of sin.
15. 2 Ne. 10: 3
      3 Wherefore, as I said unto you, it must needs be expedient that Christ—for in the last night the angel spake unto me that this should be his name—should come among the Jews, among those who are the more wicked part of the world; and they shall crucify him—for thus it behooveth our God, and there is none other nation on earth that would crucify their God.
16. 2 Ne. 25: 16
      16 And after they have been scattered, and the Lord God hath scourged them by other nations for the space of many generations, yea, even down from generation to generation until they shall be persuaded to believe in Christ, the Son of God, and the atonement, which is infinite for all mankind—and when that day shall come that they shall believe in Christ, and worship the Father in his name, with pure hearts and clean hands, and look not forward any more for another Messiah, then, at that time, the day will come that it must needs be expedient that they should believe these things.
17. 2 Ne. 26: 12
      12 And as I spake concerning the convincing of the Jews, that Jesus is the very Christ, it must needs be that the Gentiles be convinced also that Jesus is the Christ, the Eternal God;
18. 2 Ne. 28: 19
      19 For the kingdom of the devil must shake, and they which belong to it must needs be stirred up unto repentance, or the devil will grasp them with his everlasting chains, and they be stirred up to anger, and perish;
19. Jarom 1: 2
      2 And as these plates are small, and as these things are written for the intent of the benefit of our brethren the Lamanites, wherefore, it must needs be that I write a little; but I shall not write the things of my prophesying, nor of my revelations. For what could I write more than my fathers have written? For have not they revealed the plan of salvation? I say unto you, Yea; and this sufficeth me.
20. Alma 32: 28
      28 Now, we will compare the word unto a seed. Now, if ye give place, that a seed may be planted in your heart, behold, if it be a true seed, or a good seed, if ye do not cast it out by your unbelief, that ye will resist the Spirit of the Lord, behold, it will begin to swell within your breasts; and when you feel these swelling motions, ye will begin to say within yourselves—It must needs be that this is a good seed, or that the word is good, for it beginneth to enlarge my soul; yea, it beginneth to enlighten my understanding, yea, it beginneth to be delicious to me.
21. Alma 34: 10
      10 For it is expedient that there should be a great and last sacrifice; yea, not a sacrifice of man, neither of beast, neither of any manner of fowl; for it shall not be a human sacrifice; but it must be an infinite and eternal sacrifice.
22. Alma 60: 35
      35 And behold, if ye will not do this I come unto you speedily; for behold, God will not suffer that we should perish with hunger; therefore he will give unto us of your food, even if it must be by the sword. Now see that ye fulfil the word of God.
23. 3 Ne. 1: 25
      25 But it came to pass that they soon became converted, and were convinced of the error which they were in, for it was made known unto them that the law was not yet fulfilled, and that it must be fulfilled in every whit; yea, the word came unto them that it must be fulfilled; yea, that one jot or tittle should not pass away till it should all be fulfilled; therefore in this same year were they brought to a knowledge of their error and did confess their faults.
24. 3 Ne. 5: 1-2
      1 And now behold, there was not a living soul among all the people of the Nephites who did doubt in the least the words of all the holy prophets who had spoken; for they knew that it must needs be that they must be fulfilled.
      2 And they knew that it must be expedient that Christ had come, because of the many signs which had been given, according to the words of the prophets; and because of the things which had come to pass already they knew that it must needs be that all things should come to pass according to that which had been spoken.
25. 3 Ne. 23: 2
      2 For surely he spake as touching all things concerning my people which are of the house of Israel; therefore it must needs be that he must speak also to the Gentiles.
26. Ether 12: 7
      7 For it was by faith that Christ showed himself unto our fathers, after he had risen from the dead; and he showed not himself unto them until after they had faith in him; wherefore, it must needs be that some had faith in him, for he showed himself not unto the world.
27. D&C 18: 6
      6 Behold, the world is ripening in iniquity; and it must needs be that the children of men are stirred up unto repentance, both the Gentiles and also the house of Israel.
28. D&C 29: 39
      39 And it must needs be that the devil should tempt the children of men, or they could not be agents unto themselves; for if they never should have bitter they could not know the sweet—
29. D&C 38: 39
      39 And if ye seek the riches which it is the will of the Father to give unto you, ye shall be the richest of all people, for ye shall have the riches of eternity; and it must needs be that the riches of the earth are mine to give; but beware of pride, lest ye become as the Nephites of old.
30. D&C 48: 3-4
      3 And inasmuch as ye have not lands, let them buy for the present time in those regions round about, as seemeth them good, for it must needs be necessary that they have places to live for the present time.
      4 It must needs be necessary that ye save all the money that ye can, and that ye obtain all that ye can in righteousness, that in time ye may be enabled to purchase land for an inheritance, even the city.
31. D&C 51: 1-2
      1 Hearken unto me, saith the Lord your God, and I will speak unto my servant Edward Partridge, and give unto him directions; for it must needs be that he receive directions how to organize this people.
      2 For it must needs be that they be organized according to my laws; if otherwise, they will be cut off.
32. D&C 78: 3
      3 For verily I say unto you, the time has come, and is now at hand; and behold, and lo, it must needs be that there be an organization of my people, in regulating and establishing the affairs of the storehouse for the poor of my people, both in this place and in the land of Zion—
33. D&C 84: 76
      76 But, verily I say unto all those to whom the kingdom has been given—from you it must be preached unto them, that they shall repent of their former evil works; for they are to be upbraided for their evil hearts of unbelief, and your brethren in Zion for their rebellion against you at the time I sent you.
34. D&C 88: 18
      18 Therefore, it must needs be sanctified from all unrighteousness, that it may be prepared for the celestial glory;
35. D&C 94: 2
      2 And behold, it must be done according to the pattern which I have given unto you.
36. D&C 104: 16
      16 But it must needs be done in mine own way; and behold this is the way that I, the Lord, have decreed to provide for my saints, that the poor shall be exalted, in that the rich are made low.
37. D&C 105: 6
      6 And my people must needs be chastened until they learn obedience, if it must needs be, by the things which they suffer.
38. D&C 107: 65
      65 Wherefore, it must needs be that one be appointed of the High Priesthood to preside over the priesthood, and he shall be called President of the High Priesthood of the Church;
39. D&C 124: 122
      122 And let every man who pays stock bear his proportion of their wages, if it must needs be, for their support, saith the Lord; otherwise, their labors shall be accounted unto them for stock in that house. Even so. Amen.