"The Book of Mormon has been at the center of missionary work since the gospel was restored through the Prophet Joseph. We use it every day in missionary work. One fact about the Book of Mormon being the key to power in each part of missionary work is this: the Book of Mormon is a testament of Jesus Christ. The title page tells us that. It says that the purpose of the book is to show what great things the Lord has done for His people, to help them know that the covenants the Lord has made with His people are still in force, and to convince all people that Jesus is the Christ."

Henry B. Eyring, "Why the Book of Mormon?" New Era, May 2008, 6–8