who is Christ, the Son of God, that ye must build your foundation ... a foundation whereon if men build they cannot fall.' Their preaching started in the city of Bountiful and then proceeding to the cities of Gid and Mulek, and then to all of the Nephite cities in the land southward. From there, they went "into the land of Zarahemla, among the Lamanites." These preachings are described as being with much power and authority, even to the point of having the words they should speak given them by revelation. Their preaching resulting in much success, first among those Nephites who had dissented and later among the Lamanites. The repentant Nephites were "confounded, ... [confessed] their sins and were baptized unto repentance, and immediately returned to the Nephites to endeavor to repair unto them the wrongs which they had done." The Lamanites were astonished and convinced, with 8,000 of them "in the land of Zarahemla and round about baptized unto repentance, and were convinced of the wickedness of the traditions of their fathers." Prison in the Land of Nephi After their great success in the land of Zarahemla, Nephi and Lehi proceeded to the land of Nephi where they were captured by an army of Lamanites and put in prison - the same prison in which Ammon and his brothers, previous Nephite missionaries, had been held - where they were denied food for "many days." At the time they were to be taken from prison and executed, however, they were protected by a 'pillar of fire' and the Lamanites were "struck dumb" with amazement and were afraid of being burned. Nephi and Lehi seized this opportunity to spread their missionary message, and told the people to "[f]ear not" and that the "marvelous thing" was of God. After Nephi and Lehi tried to console the people, the "earth shook exceedingly" and the people were "overshadowed with a cloud of darkness" which caused an "awful solemn fear" to come upon them. This was followed by a "voice of perfect mildness" that is said to have pierced "even to the very soul" when it twice times urged the people to repent and not to "destroy my servants whom I have sent unto you to declare good tidings" and once spoke "marvelous words which cannot be uttered by man", interspersed with more earthquakes. During these happenings, a man who was a Nephite by