1 Nephi 21:4

Then I said,

I have labored in vain,

I have spent my strength for naught and in vain;

surely my judgment is with the Lord,

and my work with my God.

I have spent my strength for naught and in vain;

have - 25 occurrences in 16 verses - 1 Nephi 19:24,   20:3, 5, 6, 10, 15, 16, 17, 19,   21:4, 8, 13, 15, 16, 20, 21