when it was said the promise of allah is true and of the hour there is no doubt you replied we do not know what the hour is we guess assuming and we are by no means certain
وإذا قيل إن وعد الله حق والساعة لا ريب فيها قلتم ما ندري ما الساعة إن نظن إلا ظنا وما نحن بمستيقنين