Allah has prepared for them a severe punishment; so fear Allah, O you of understanding who have believed. Allah has sent down to you the Qur'an.
The Saheeh International Quran Translation
أَعَدَّ ٱللَّهُ لَهُمْ عَذَابًا شَدِيدًا فَٱتَّقُوا۟ ٱللَّهَ يَٰٓأُو۟لِى ٱلْأَلْبَٰبِ ٱلَّذِينَ ءَامَنُوا۟ قَدْ أَنزَلَ ٱللَّهُ إِلَيْكُمْ ذِكْرًاAllah has prepared for them a severe punishment; so fear Allah, O you of understanding who have believed. Allah has sent down to you the Qur'an.