1 Nephi 3:45 And behold, this thing shall be given unto thee for a sign: That after thou hast beheld the tree which bore the fruit of which thy father tasted, thou shalt also behold a Man descending out of heaven, And Him shall ye witness; And after that ye shall have witnessed Him, ye shall bear record that it is the Son of God."
2 Nephi 13:18 But behold, my beloved brethren, thus came the voice of the Son unto me, saying: "After that ye have repented of your sins, And witnessed unto the Father that ye are willing to keep My commandments by the baptism of water, And have received the baptism of fire and of the Holy Ghost, And can speak with a new tongue, yea, even with the tongue of angels - And after this should deny Me, It would have been better for you that ye had not known Me."
Jacob 5:36 And when the multitude had witnessed that he spake these things as he was about to give up the ghost, they were astonished exceedingly, Insomuch that the power of God came down upon them and they were overcome, that they fell to the earth.
Words of Mormon 1:1 And now I, Mormon, being about to deliver up the record which I have been making into the hands of my son Moroni, Behold, I have witnessed almost all the destruction of my people, the Nephites,
Alma 10:37 And the people went forth and witnessed against them, testifying that they had reviled against their law and their lawyers and judges of the land, And also all the people that were in the land;
Helaman 5:95 "And behold, ye do know of yourselves - for ye have witnessed it - That as many of them as are brought to the knowledge of the truth and to know of the wicked and abominable traditions of their fathers and are led to believe the holy scriptures,
3 Nephi 5:17 And it came to pass that when they had all gone forth and had witnessed for themselves, they did cry out with one accord, saying: "Hosanna! Blessed be the name of the Most High God!" And they did fall down at the feet of Jesus and did worship Him.
3 Nephi 8:56 Behold, ye have seen I have prayed unto the Father, And ye all have witnessed and ye see that I have commanded that none of you should go away, But rather have commanded that ye should come unto Me that ye might feel and see -
Moroni 6:2 Behold, elders, priests and teachers were baptized; And they were not baptized, save they brought forth fruit meet that they were worthy of it; Neither did they receive any unto baptism, save they came forth with a broken heart and a contrite spirit and witnessed unto the church that they truly repented of all their sins;