Biblical explanation
The lake of fire appears prominently in Revelation. The beast and false prophet are cast into it (Revelation 19:20). After the millennium, Satan is cast into the lake of fire (Revelation 20:10). Then death and Hades are also cast into it. Revelation explains: "This is the second death" (Revelation 20:14). Finally, those whose names are not in the book of life are cast into the lake of fire (Revelation 20:15). The lake of fire therefore represents the final eradication of evil. This is confirmed by Revelation 21:4, which says there will ultimately be no more death, sorrow, crying, or pain. The lake of fire should therefore be understood in the context of God's final victory over sin. It is not presented as an eternal realm that will coexist forever with God's restored creation.
Key takeaway
Discipleship applies the gospel to the whole life: body, mind, relationships, work, finances, and worship. Healthy choices and faithful habits do not earn salvation; they are grateful stewardship of the life God has entrusted to us and practical ways to serve others.