Surat Al-Qalam (The Pen) - القلم

كَذَٰلِكَ ٱلْعَذَابُ وَلَعَذَابُ ٱلْءَاخِرَةِ أَكْبَرُ لَوْ كَانُوا۟ يَعْلَمُونَ ﴿٣٣﴾

Such is the chastisement, and certainly the chastisement of the hereafter is greater, did they but know!