In this episode, Greg uses texts from the apostle John's Gospel and Apocalypse to identify and describe the "door" Jesus refers to in this crucial prophetic parable. Why is it important? Simply because this door is the designated portal through which "they that are ready" will pass to enter the great marriage in heaven. He also addresses the claims of some evangelical Bible teachers, based on 2 Thessalonians 2:8-12, that all professing Christians left behind at the Rapture cannot subsequently successfully prove and purify their faith in the trials of the Tribulation period, but will instead be eternally lost.