The Letter Sad 38:29. Juz 23, page 455.
كِتَـٰبٌ أَنزَلْنَـٰهُ إِلَيْكَ مُبَـٰرَكٌ لِّيَدَّبَّرُوٓا۟ ءَايَـٰتِهِۦ وَلِيَتَذَكَّرَ أُو۟لُوا۟ ٱلْأَلْبَـٰبِ٢٩(This is) a Scripture that We have revealed unto thee, full of blessing, that they may ponder its revelations, and that men of understanding may reflect.
Sad 38:29, translated by Marmaduke Pickthall