Az-Zukhruf 43:66
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?
They are waiting for nothing but for the Hour to come upon them suddenly, while they would not even imagine (it).