Now you know what is restraining him, to the end that he may be revealed in his own season.
Many New Testament passages reveal that a falling away from the truth was already developing even in apostolic times (Acts 20:29-30; 2 Peter 2:1-3; 1 John 4:1; 1 John 4:3; Judges 1:3; 1 John 2:18-19; 2 John 1:7).