Az Zukhruf, 66 Ayah
43:66
هَلۡ يَنظُرُونَ إِلَّا ٱلسَّاعَةَ أَن تَأۡتِيَهُم بَغۡتَةٗ وَهُمۡ لَا يَشۡعُرُونَ ٦٦
Hal Yanžurūna 'Illā As-Sā`ata 'An Ta'tiyahum Baghtatan Wa Hum Lā Yash`urūna
Are they waiting except for the Hour to come upon them suddenly while they perceive not?