Comparison: 3 Nephi 21:8 -> Isaiah 52:15

3 Nephi 21:8 (1830 edition page 500) Isaiah 52:15
And when that day shall come, it shall come to pass that kings shall shut their mouths: for that which had not been told them shall they see; and that which they had not heard shall they consider. So shall he sprinkle many nations; the kings shall shut their mouths at him: for that which had not been told them shall they see; and that which they had not heard shall they consider.