There are several key doctrines of the gospel of Christ revolutionary to the general world. I do not include the existence of God, since belief in God is as old as human thought. The first man and woman believed in God, and that belief has continued—with much variation—among their children to our present day. Belief in God is not exceptional. It comes easily to the human mind. Disbelief seems to be more artificial.
Without an attempt to list the revolutionary doctrines of Christ by order of importance, I nevertheless will begin with the fact that Jesus Christ is the Son of God, and in His divinity He walked among mankind for some 34 years. Through word and deed Jesus proclaimed His relationship to the Father. That being true, and it is, all non-Christian religions are human inventions, however well-meaning they might be. Christ being a God, what He said was true, what He taught was true, what He did had divine approval and purpose. There is peril of the highest order in disregarding any of that.
Next I would turn to the revolutionary import of the resurrection, beginning with the resurrection of Jesus Christ. The Savior’s resurrection was as sure as His death. Jesus made significant effort to demonstrate the physical nature of the resurrection. When He appeared to His disciples in their shut up room on the evening of that first new day He had them touch the wounds in His hands and feet and the wound in His side inflicted by the executioners to make certain of His death, assuring the disciples that, “a spirit hath not flesh and bones, as ye see me have.” (Luke 24:39) When the disciples for joy yet doubted their own senses, Jesus emphasized the reality by eating some broiled fish and honeycomb to demonstrate the tangible nature of it all (Luke 24:41-43). The disciples even felt His breath on them (see John 20:22). In the Americas, shortly afterwards, thousands more beheld the resurrected Christ and personally felt the wounds of His execution (see 3 Nephi 11).
In this mortal world, death is as common as birth. The resurrection, already begun, will become as common as death, and will overcome death, making death as temporary as mortal life. Hence the Apostle Paul wrote to the Corinthians that, because of the resurrection, “Death is swallowed up in victory.” (1 Corinthians 15:54) That very physical resurrection rescues from oblivion all done in this very physical world, endowing it all with lasting meaning, nothing of value lost.
The fact that we each and all existed before we were born, in another sphere and in the presence of God, our Father, is another revolutionary doctrine of Christ. Jesus taught that His Father was also our Father, the literal Father of our spirits. On the morning of His resurrection, Jesus commanded Mary Magdalene to tell His disciples, “I ascend unto my Father, and your Father” (John 20:17). The Apostle Paul, who taught that we should obey “the Father of spirits, and live” (Hebrews 12:9), wrote to the Romans, “The Spirit itself beareth witness with our spirit, that we are the children of God: and if children, then heirs; heirs of God, and joint-heirs with Christ” (Romans 8:16, 17).
As His spirit children, we lived in the presence of our Eternal Father before this creation. The earth was purposely made for us, designed for our growth and development in our brief mortality. Not only did Christ’s resurrection preserve meaning and purpose for this mortal existence, but that purpose preceded the beginning of mortality. Among the many consequences of that revolutionary truth is the reality that all members of the human race are more than figuratively brothers and sisters. The children born to mortal parents existed before their birth, and they come from the same eternal home as did their parents. There is a deep-rooted respect that is due in both directions between parent and child.
In that context it is appropriate to recognize the revolutionary import of the Christian doctrine of the eternal nature of the marriage relationship. If we come from an eternal family that was formed before the earth was, then it becomes natural to recognize that life’s closest relationship, between husband and wife, is not a temporary arrangement. Love is the highest virtue of the highest heaven. Love finds its deepest manifestation in the marriage union. God, who preserves all good things, could not mean for that relationship to end with death. As Christ paved the way for us to live on through the eternities, so He prepared the way for a loving marriage to last forever for those who desire it enough.
Perhaps on another day I will more than touch upon other Christian doctrines that revolutionize the world and human relations. Among these would be the opportunity to talk with God and receive direct, personal revelation; the ability to change human nature, for better or for worse; the reality of individual freedom, such that God is not responsible for our personal decisions, we own them; and the continuing, unfinished canon of divine scripture, from ancient time into the modern era (scriptures were always revealed in a modern era to those who first received them).
These revolutionary doctrines of Christ are eternal, connecting us to an eternal universe, which makes them revolutionary to a mortal world where endings seem to prevail. They are rejuvenating to mind and spirit. When Christ taught them to the people of the ancient Americas, He declared that “all things have become new.” (3 Nephi 12:47) They make things new today.