As Moroni approaches the end of his task, he turns not only to his brethren, the Lamanites, but also to “all the ends of the earth.” Moroni has declared that God is constant, the same yesterday, today, and tomorrow. If we are therefore constant in our faith in God and Christ, then the blessings and the gifts can be ours.
However, if there should come a “day … that the power and gifts of God shall be done away,” it will be “because of unbelief.” It will not be God who leaves us, but we who leave God.
Moroni’s declaration in verse 25, that “if this be the case … there shall be none that doeth good among you, no not one.” That seems like a harsh assessment. However, it follows logically according to both Book of Mormon precedent and the way Moroni has built his argument. In the Book of Mormon there are two opposing poles: God and Satan. There is nothing between. Therefore, if believing in Christ leads to laying hold upon all good things (see Moroni 7:19–25), not believing in Christ leads to the opposite. If all good comes from Christ, not believing in Christ leaves only the opposite possibility. Therefore, Moroni declares, “if [that] be the case, … there shall be none that doeth good among you.” It is almost a definition for Moroni’s use of the concept of laying hold upon all good things.