Testify that

1. John 3: 11
     11 Verily, verily, I say unto thee, We speak that we do know, and testify that we have seen; and ye receive not our witness.
2. John 4: 44
     44 For Jesus himself testified, that a prophet hath no honour in his own country.
3. Acts 10: 42
     42 And he commanded us to preach unto the people, and to testify that it is he which was ordained of God to be the Judge of quick and dead.
4. Acts 26: 5
     5 Which knew me from the beginning, if they would testify, that after the most straitest sect of our religion I lived a Pharisee.
5. 1 Pet. 5: 12
     12 By Silvanus, a faithful brother unto you, as I suppose, I have written briefly, exhorting, and testifying that this is the true grace of God wherein ye stand.
6. 1 Jn. 4: 14
     14 And we have seen and do testify that the Father sent the Son to be the Saviour of the world.
7. 1 Ne. 1: 19
     19 And it came to pass that the Jews did mock him because of the things which he testified of them; for he truly testified of their wickedness and their abominations; and he testified that the things which he saw and heard, and also the things which he read in the book, manifested plainly of the coming of a Messiah, and also the redemption of the world.
8. 1 Ne. 16: 2
     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.
9. 1 Ne. 22: 30
     30 Wherefore, my brethren, I would that ye should consider that the things which have been written upon the plates of brass are true; and they testify that a man must be obedient to the commandments of God.
10. Alma 5: 23
      23 Behold will they not testify that ye are murderers, yea, and also that ye are guilty of all manner of wickedness?
11. Alma 14: 5
      5 And the people went forth and witnessed against them—testifying that they had reviled against the law, and their lawyers and judges of the land, and also of all the people that were in the land; and also testified that there was but one God, and that he should send his Son among the people, but he should not save them; and many such things did the people testify against Alma and Amulek. Now this was done before the chief judge of the land.
12. Hel. 7: 29
      29 Behold now, I do not say that these things shall be, of myself, because it is not of myself that I know these things; but behold, I know that these things are true because the Lord God has made them known unto me, therefore I testify that they shall be.
13. Hel. 13: 26
      26 Behold ye are worse than they; for as the Lord liveth, if a prophet come among you and declareth unto you the word of the Lord, which testifieth of your sins and iniquities, ye are angry with him, and cast him out and seek all manner of ways to destroy him; yea, you will say that he is a false prophet, and that he is a sinner, and of the devil, because he testifieth that your deeds are evil.
14. 3 Ne. 12: 2
      2 And again, more blessed are they who shall believe in your words because that ye shall testify that ye have seen me, and that ye know that I am. Yea, blessed are they who shall believe in your words, and come down into the depths of humility and be baptized, for they shall be visited with fire and with the Holy Ghost, and shall receive a remission of their sins.
15. Ether 11: 6
      6 And there was great calamity in all the land, for they had testified that a great curse should come upon the land, and also upon the people, and that there should be a great destruction among them, such an one as never had been upon the face of the earth, and their bones should become as heaps of earth upon the face of the land except they should repent of their wickedness.
16. D&C 17: 5
      5 And ye shall testify that you have seen them, even as my servant Joseph Smith, Jun., has seen them; for it is by my power that he has seen them, and it is because he had faith.
17. D&C 18: 36
      36 Wherefore, you can testify that you have heard my voice, and know my words.
18. D&C 110: 14
      14 Behold, the time has fully come, which was spoken of by the mouth of Malachi—testifying that he [Elijah] should be sent, before the great and dreadful day of the Lord come—