لَا يُؤْمِنُونَ بِهِۦ حَتَّىٰ يَرَوُا ٱلْعَذَابَ ٱلْأَلِيمَ

La yu/minoona bihi hattayarawoo alAAathaba al-aleem

They will not believe in it until they see the painful punishment.