Biblical explanation
Genesis 3:19 explains what happens to the body: "unto dust shalt thou return." The Old Testament frequently describes the grave as the destination of the dead. Job asked, "If a man die, shall he live again?" and looked forward to a future resurrection (Job 14:12-15). David wrote that in death there is no remembrance of God and asked, "who will give thee thanks in the grave?" (Psalm 6:5). Ecclesiastes 9:5-6 similarly says the dead have no knowledge of what is happening under the sun. The New Testament maintains this resurrection-centered hope. Paul did not tell grieving believers that their deceased relatives were already living in heaven. Instead, he directed them toward Christ's return: "The Lord himself shall descend from heaven... and the dead in Christ shall rise first" (1 Thessalonians 4:16). Jesus likewise spoke of a future resurrection of those in the graves (John 5:28-29). Therefore, the biblical picture is: Death → unconscious rest in the grave → resurrection → eternal life or final judgment.
Key takeaway
The great controversy reveals God's character as Christ ministers as our High Priest in the heavenly sanctuary. The dead await the resurrection, Christ's return will be visible and personal, and prophecy calls believers to faithful mission rather than date-setting or fear.