Surah Al-Qalam, Verse 33

كَذَٰلِكَ ٱلۡعَذَابُۖ وَلَعَذَابُ ٱلۡأٓخِرَةِ أَكۡبَرُۚ لَوۡ كَانُواْ يَعۡلَمُونَ٣٣

kadhālika l-ʿadhābu walaʿadhābu l-ākhirati akbaru law kānū yaʿlamūna

Such is the punishment [of this world]. And the punishment of the Hereafter is greater, if they only knew.