Perhaps one of the most enigmatic Bible verses in all the Scripture is found in Second Thessalonians 2:3, which says, “Let no one deceive you by any means; for that Day will not come unless the falling away comes first, and the man of sin is revealed, the son of perdition” (NKJV).
The immediately preceding verse (2 Thess. 2:2) indicates that during Paul’s absence from Thessalonica a forged letter had begun to circulate in their midst, allegedly having come from Paul, telling the new Thessalonian believers that they were in the Tribulation period. When Paul was with them, about six months to a year later, he had taught them that they would be raptured to heaven prior to the Tribulation period (1 Thess. 1:10; 4:13-18). Now, because of this forged letter that had come into their midst, the Thessalonian Christians thought that they were in the actual Tribulation period...