1 Nephi 11:7

And behold this thing shall be given unto thee for a sign,

that after thou hast beheld the tree

which bore the fruit which thy father tasted,

thou shalt also behold a man descending out of heaven,

and him shall ye witness;

and after ye have witnessed him

ye shall bear record that it is the Son of God.

And behold this thing shall be given unto thee for a sign,

thing - 3 occurrences in 3 verses - 1 Nephi 10:8, 21,   11:7