وَاِذْ تَاَذَّنَ رَبُّكَ لَیَبْعَثَنَّ عَلَیْهِمْ اِلٰى یَوْمِ الْقِیٰمَةِ مَنْ یَسُومُهُمْ سُٓوءَ الْعَذَابِؕ اِنَّ رَبَّكَ لَسَرٖیعُ الْعِقَابِۚ وَاِنَّهُ لَغَفُورٌ رَحٖیمٌ
Waith taaththana rabbuka layabAAathanna AAalayhim ila yawmi alqiyamati man yasoomuhum sooa alAAathabi inna rabbaka lasareeAAu alAAiqabi wainnahu laghafoorun raheemun
Translations
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
Saheeh International
And (remember) when thy Lord proclaimed that He would raise against them till the Day of Resurrection those who would lay on them a cruel torment. Lo! verily thy Lord is swift in prosecution and lo! verily He is Forgiving, Merciful
Marmaduke Pickthall