Surah Yunus, ayah 97

10:97

وَلَوۡ جَآءَتۡهُمۡ كُلُّ ءَايَةٍ حَتَّىٰ يَرَوُاْ ٱلۡعَذَابَ ٱلۡأَلِيمَ ٩٧

Walaw jā'athum kullu āyatin hattā yarawul-'adhābal-alīm

Even if every sign should come to them, until they see the painful punishment.