1 Nephi 12:22–23

And the angel said unto me:

“Behold these shall dwindle in unbelief. And it came to pass that I beheld, after they had dwindled in unbelief they became a dark, and loathsome, and a filthy people, full of idleness and all manner of abominations.”

From section: The Decline of Nephi’s Posterity

From page: Nephi’s Vision