The above opening verses describe a reality that many of us will experience, I believe soon in this time of the end of this age. It describes the ‘Harpazo” or the forceful removal of the church from this earth in a instant, or the twinkling of an eye. Some people just cannot wrap their minds around such a concept. Many don’t believe what the Bible shows us to be truth.
Paul was the first to make this known to the world, as it had never been taught before Paul called it a “mystery” or something not revealed in the past. The prophet Isaiah approached the doctrine in chapter 26, when he described the coming of the Lord to those in his time period.