And ˹mention˺ when your Lord declared that He would surely ˹continue to˺ send upon them until the Day of Resurrection those who would afflict them with the worst torment. Indeed, your Lord is swift in penalty; but indeed, He is Forgiving and Merciful.
وَإِذْ تَأَذَّنَ رَبُّكَ لَيَبْعَثَنَّ عَلَيْهِمْ إِلَىٰ يَوْمِ الْقِيَامَةِ مَنْ يَسُومُهُمْ سُوءَ الْعَذَابِ ۗ إِنَّ رَبَّكَ لَسَرِيعُ الْعِقَابِ ۖ وَإِنَّهُ لَغَفُورٌ رَحِيمٌ