President Brigham Young (1801–1877) gave us some practical advice on how to recognize Him whom we follow. “The difference between God and the Devil,” he said, “is that God creates and organizes, while the whole study of the Devil is to destroy.” In that contrast we have an important example of the reality of “opposition in all things” (2 Nephi 2:11). Remember that our Savior Jesus Christ always builds us up and never tears us down. We should apply the power of that example in the ways we use our time, including our recreation and our diversions. Consider the themes of the books, magazines, movies, television shows, and music we in the world have made popular by our patronage. Do the things portrayed in our chosen entertainment build up or tear down the children of God? During my lifetime I have seen a strong trend to set aside entertainment that builds up and dignifies the children of God and to replace it with portrayals and performances that are depressing, demeaning, and destructive. The powerful idea in this contrast is that whatever builds people up serves the cause of the Master, and whatever tears people down serves the cause of the adversary. We support one cause or the other every day by our patronage and by our thoughts and desires. This should remind us of our responsibility to support what is good and motivate us toward doing this in a way that will be pleasing to Him whose suffering offers us hope and whose example gives us direction.
Dallin H. Oaks, “The Atonement and Faith,” Ensign, April 2010
See also, Dallin H. Oaks, “Powerful Ideas,” October 1995 General Conference