1 Nephi 16:20
And it came to pass that Laman and Lemuel and the sons of Ishmael
did begin to murmur exceedingly,
because of their sufferings and afflictions in the wilderness;
and also my father began to murmur against the Lord his God;
yea, and they were all exceedingly sorrowful,
even that they did murmur against the Lord.
yea, and they were all exceedingly sorrowful,
all - 33 occurrences in 30 verses - 1 Nephi 16:4, 6, 8, 11, 20, 35, 17:5, 6, 20, 22, 30, 31, 35, 43, 50, 18:6, 8, 16, 24, 25, 19:2, 11, 12, 13, 14, 16, 17, 19, 20, 21