Ponder the spoken witness from Heavenly Father: “Behold my Beloved Son, in whom I am well pleased,
in whom I have glorified my name—hear ye him” (3 Nephi 11:7). Envision how you would have responded if you had been there for this announcement and the appearance of Jesus Christ—the crowning event of the Book of Mormon. Imagine how you would have felt when you heard the Son declare, “Behold,  I am Jesus Christ, whom the prophets testified shall come into the world” (3 Nephi 11:10). Consider the impact on the lives of those who received a spiritual and physical witness of the reality of Jesus Christ. The voice of God was heard several times by this people. As you read 3 Nephi 8–11 look for what He taught. Consider your ability to recognize God’s voice and follow His message for you.
In His mortal ministry Jesus delivered the Sermon on the Mount to encourage His disciples to strive toward perfection with full purpose of heart. Following His Resurrection, Jesus appeared to the Book of Mormon people in the Western Hemisphere  and again delivered this sermon. 
The gospel standards contained in this sermon have been reaffirmed in our time through modern revelation. President James E. Faust (1920–2007) of the First Presidency observed: “The Savior’s transcendent message in the Sermon on the Mount is of burning-bush importance to all of us: ‘But seek ye first to build up the kingdom  of God 
