When the tribulation starts, the foolish ones might be shocked to see the destruction of Babylon the Great.
فَمِنَ ٱلْوَاضِحِ أَنَّهُمْ لَنْ يُخْتَمُوا ٱلْخَتْمَ ٱلنِّهَائِيَّ قَبْلَ بِدَايَةِ ٱلضِّيقِ .‏