1 Nephi 15:3

For he truly spake many great things unto them,

which were hard to be understood,

save a man should inquire of the Lord;

and they being hard in their hearts,

therefore they did not look unto the Lord as they ought.

and they being hard in their hearts,

and - 70 occurrences in 33 verses - 1 Nephi 15:1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36

and they - 7 occurrences in 7 verses - 1 Nephi 15:2, 3, 7, 9, 23, 26, 31