When Christ ascended into heaven, the apostles were told that he would return to earth again (Acts 1:11). Christ also said that he would return in the parable of the pounds (Luke 19:12). The same parable taught that Christ would reward his servants that had been faithful while they waited for him and punish those who were not (Luke 19:13-27).
Before people can be judged, those who have died will be resurrected (John 5:28-29). This resurrection happens when Christ returns (1 Corinthians 15:20-23). It is then that those who have been accepted by God will be given eternal life (1 Corinthians 15:51-54). Those who did not obey the gospel will be destroyed forever (2 Thessalonians 1:7-10).
All nations will eventually submit themselves to Christ’s authority (Psalm 72:11). Christ and the immortalised believers will rule over the whole world (Revelation 11:15; 5:9-10). Jerusalem will be the capital city (Jeremiah 3:17). People will be taught God’s ways and there will be no more war (Micah 4:1-3).
The earth will also undergo enormous changes. Deserts will be changed to productive land (Isaiah 35:1-2,7). Everyone will have jobs and live in safety (Micah 4:5). There will be an abundance of food (Amos 9:13). Sicknesses will be cured (Isaiah 35:5-6).
You can be part of this kingdom, but it requires a commitment to really know God and Christ (John 17:3), to understand and believe the true Gospel and to be baptised (Mark 16:15-16). The Christadelphians would love to help you do this.