Quran 16:85

وَإِذَا رَءَا ٱلَّذِينَ ظَلَمُواْ ٱلۡعَذَابَ فَلَا يُخَفَّفُ عَنۡہُمۡ وَلَا هُمۡ يُنظَرُونَ ٨٥

Once those who transgressed see the retribution (it will be too late); it will not be commuted for them, nor will they be respited.