1 Nephi 3:5

And now, behold thy brothers murmur,

saying it is a hard thing which I have required of them;

but behold I have not required it of them,

but it is a commandment of the Lord.

but behold I have not required it of them,

it - 72 occurrences in 63 verses - 1 Nephi 1:3, 4, 5, 6, 7, 9, 12, 13, 14, 19, 20,   2:1, 2, 3, 4, 6, 7, 8, 14, 16, 17, 19, 24,   3:1, 2, 5, 7, 8, 10, 11, 13, 18, 19, 21, 22, 24, 25, 26, 27, 28, 29, 31,   4:1, 5, 8, 9, 10, 12, 13, 23, 28, 29, 30, 32, 35, 37, 38,   5:1, 4, 9, 14, 20, 22