Moroni 8:9

Jerald and Sandra Tanner note in Joseph Smith's Plagiarism of the Bible in the Book of Mormon, "A popular controversy in Joseph Smith's day was whether or not infants needed baptism. Since Joseph Smith's mother, sister and two brothers had all joined the Presbyterian Church in the mid-1820's, which practiced infant baptism, we assume this was a point of discussion in his own home. Joseph Smith, Sr., was distrustful of organized religion and Joseph Smith, Jr., favored the Methodists. When Joseph Smith related his first vision to his mother he is reported to have said: 'I have learned for myself that Presbyterianism is not true.' Conveniently, this issue was settled in the Book of Mormon by the great general, Mormon, Moroni's father, in approximately 400 A.D."

LDS author Grant Hardy writes in his Understanding the Book Of Mormon, "In 1831, Alexander Campbell, one of the book's first critics (and certainly the first one to read it carefully), famously observed that it seemed to weigh in on all the popular religious questions of the day, including 'infant baptism, ordination, the trinity, regeneration, repentance, justification, the fall of man, the atonement, transubstantiation, fasting, penance, church government, religious experience, the call to the ministry , the general resurrection, eternal punishment, who may baptize, and even the question of freemasonry, republican government, and the right of the man.' This is a fair list, and references to these topics-or their analogous counterparts-can be found throughout the Book of Mormon." -Hardy, Understanding the Book of Mormon, p. 184