هَلۡ يَنۡظُرُوۡنَ اِلَّا السَّاعَةَ اَنۡ تَاۡتِيَهُمۡ بَغۡتَةً وَّهُمۡ لَا يَشۡعُرُوۡنَ

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