Testify concerning

1. 2 Kgs. 17: 15
     15 And they rejected his statutes, and his covenant that he made with their fathers, and his testimonies which he testified against them; and they followed vanity, and became vain, and went after the heathen that were round about them, concerning whom the Lord had charged them, that they should not do like them.
2. Acts 28: 23
     23 And when they had appointed him a day, there came many to him into his lodging; to whom he expounded and testified the kingdom of God, persuading them concerning Jesus, both out of the law of Moses, and out of the prophets, from morning till evening.
3. 1 Ne. 10: 5
     5 And he also spake concerning the prophets, how great a number had testified of these things, concerning this Messiah, of whom he had spoken, or this Redeemer of the world.
4. Jacob 2: 6
     6 Yea, it grieveth my soul and causeth me to shrink with shame before the presence of my Maker, that I must testify unto you concerning the wickedness of your hearts.
5. Jacob 7: 11
     11 And I said unto him: Then ye do not understand them; for they truly testify of Christ. Behold, I say unto you that none of the prophets have written, nor prophesied, save they have spoken concerning this Christ.
6. Mosiah 17: 2
     2 But there was one among them whose name was Alma, he also being a descendant of Nephi. And he was a young man, and he believed the words which Abinadi had spoken, for he knew concerning the iniquity which Abinadi had testified against them; therefore he began to plead with the king that he would not be angry with Abinadi, but suffer that he might depart in peace.
7. Mosiah 26: 9
     9 And it came to pass that Alma did not know concerning them; but there were many witnesses against them; yea, the people stood and testified of their iniquity in abundance.
8. Alma 5: 44
     44 For I am called to speak after this manner, according to the holy order of God, which is in Christ Jesus; yea, I am commanded to stand and testify unto this people the things which have been spoken by our fathers concerning the things which are to come.
9. Alma 8: 25
     25 But behold, I have been commanded that I should turn again and prophesy unto this people, yea, and to testify against them concerning their iniquities.
10. Alma 18: 1
      1 And it came to pass that king Lamoni caused that his servants should stand forth and testify to all the things which they had seen concerning the matter.
11. Alma 19: 15
      15 Now, when the servants of the king had seen that they had fallen, they also began to cry unto God, for the fear of the Lord had come upon them also, for it was they who had stood before the king and testified unto him concerning the great power of Ammon.
12. Alma 47: 33-34
      33 Therefore, when the queen had received this message she sent unto Amalickiah, desiring him that he would spare the people of the city; and she also desired him that he should come in unto her; and she also desired him that he should bring witnesses with him to testify concerning the death of the king.
      34 And it came to pass that Amalickiah took the same servant that slew the king, and all them who were with him, and went in unto the queen, unto the place where she sat; and they all testified unto her that the king was slain by his own servants; and they said also: They have fled; does not this testify against them? And thus they satisfied the queen concerning the death of the king.
13. Hel. 8: 8-9
      8 Yea, behold, all the judgments will come upon us which he has testified unto us; for we know that he has testified aright unto us concerning our iniquities. And behold they are many, and he knoweth as well all things which shall befall us as he knoweth of our iniquities;
      9 Yea, and behold, if he had not been a prophet he could not have testified concerning those things.
14. Hel. 9: 23
      23 Behold ye say that I have agreed with a man that he should murder Seezoram, our chief judge. But behold, I say unto you, that this is because I have testified unto you that ye might know concerning this thing; yea, even for a witness unto you, that I did know of the wickedness and abominations which are among you.
15. 3 Ne. 6: 20
      20 And there began to be men inspired from heaven and sent forth, standing among the people in all the land, preaching and testifying boldly of the sins and iniquities of the people, and testifying unto them concerning the redemption which the Lord would make for his people, or in other words, the resurrection of Christ; and they did testify boldly of his death and sufferings.
16. 3 Ne. 10: 16-17
      16 Yea, the prophet Zenos did testify of these things, and also Zenock spake concerning these things, because they testified particularly concerning us, who are the remnant of their seed.
      17 Behold, our father Jacob also testified concerning a remnant of the seed of Joseph. And behold, are not we a remnant of the seed of Joseph? And these things which testify of us, are they not written upon the plates of brass which our father Lehi brought out of Jerusalem?
17. D&C 127: 6
      6 Verily, thus saith the Lord unto you concerning your dead: When any of you are baptized for your dead, let there be a recorder, and let him be eye-witness of your baptisms; let him hear with his ears, that he may testify of a truth, saith the Lord;