Because the Church Epistles plainly teach that ALL believers will be raptured at the time of our Lord's Return. Because the Church Epistles plainly teach that ALL believers will be raptured at the time of our Lord's Return.
Glorification is co-extensive with justification.
We answer, as surely they will. In 1 Cor. That is all. It is simply a question of belonging to Christ, being one of His people. In 2 Cor.