Complex sentence: All people may be saved from sin through faith in Jesus Christ... and all will be resurrected from death but only those who are sufficiently obedient and accept the atonement of Jesus Christ before the resurrection and final judgment will be exalted.
Split into simpler sentences: All people may be saved from sin through faith in Jesus Christ. All will be resurrected from death but only those who are sufficiently obedient and accept the atonement of Jesus Christ before the judgment will be exalted.