The Letter Qaf 50:16. Juz 26, page 519.
وَلَقَدْ خَلَقْنَا ٱلْإِنسَـٰنَ وَنَعْلَمُ مَا تُوَسْوِسُ بِهِۦ نَفْسُهُۥ ۖ وَنَحْنُ أَقْرَبُ إِلَيْهِ مِنْ حَبْلِ ٱلْوَرِيدِ١٦We verily created man and We know what his soul whispereth to him, and We are nearer to him than his jugular vein.
Qaf 50:16, translated by Marmaduke Pickthall