الْجَاثِيَةِ · 32

وَإِذَا قِيلَ إِنَّ وَعۡدَ ٱللَّهِ حَقࣱّ وَٱلسَّاعَةُ لَا رَيۡبَ فِيهَا قُلۡتُم مَّا نَدۡرِي مَا ٱلسَّاعَةُ إِن نَّظُنُّ إِلَّا ظَنࣰّ ا وَمَا نَحۡنُ بِمُسۡتَيۡقِنِينَ

And when it was said that the promise of Allah was true, and that the Hour- there was no doubt about its (coming), ye used to say, 'We know not what is the hour: we only think it is an idea, and we have no firm assurance