The Letter Sad 38:64. Juz 23, page 457.
إِنَّ ذَٰلِكَ لَحَقٌّ تَخَاصُمُ أَهْلِ ٱلنَّارِ٦٤
Lo! that is very truth: the wrangling of the dwellers in the Fire.
Sad 38:64, translated by Marmaduke Pickthall