هَلْ يَنظُرُونَ إِلَّا ٱلسَّاعَةَ أَن تَأْتِيَهُم بَغْتَةً وَهُمْ لَا يَشْعُرُونَ

Hal yanthuroona illa assaAAataan ta/tiyahum baghtatan wahum la yashAAuroon

Are they waiting except for the Hour to come upon them suddenly while they perceive not?