Ash Shu'ara, 201 Ayah
26:201
لَا يُؤۡمِنُونَ بِهِۦ حَتَّىٰ يَرَوُاْ ٱلۡعَذَابَ ٱلۡأَلِيمَ ٢٠١
Lā Yu'uminūna Bihi Ĥattá Yaraw Al-`Adhāba Al-'Alīma
They will not believe in it until they see the painful punishment.