Surah Ash-Shu'ara — Ayah 201 (26:201)
لَا يُؤۡمِنُونَ بِهِۦ حَتَّىٰ يَرَوُاْ ٱلۡعَذَابَ ٱلۡأَلِيمَ ٢٠١
English translation (Saheeh International)
They will not believe in it until they see the painful punishment.
Brief commentary
They do not change from the state of disbelief they are in, and will not believe until they see the painful punishment.