1 Nephi 20:18

O that thou hadst hearkened to my commandments —

then had thy peace been as a river,

and thy righteousness as the waves of the sea.

O that thou hadst hearkened to my commandments —

O - 13 occurrences in 9 verses - 1 Nephi 20:1, 12, 18,   21:1, 3, 8, 12, 13, 15