1 Nephi 15:4

And now I, Nephi, was grieved because of the hardness of their hearts,

and also, because of the things which I had seen,

and knew they must unavoidably come to pass

because of the great wickedness of the children of men.

And now I, Nephi, was grieved because of the hardness of their hearts,

I - 32 occurrences in 22 verses - 1 Nephi 15:1, 2, 4, 5, 6, 8, 10, 12, 16, 19, 20, 22, 24, 25, 27, 28, 29, 30, 32, 34, 35, 36

I Nephi - 4 occurrences in 4 verses - 1 Nephi 15:1, 4, 19, 25