٤ـ عَنْهُ عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ ابْنِ مَحْبُوبٍ عَنْ نَصْرِ بْنِ إِسْحَاقَ عَنِ الْحَارِثِ بْنِ النُّعْمَانِ عَنْ الْهَيْثَمِ بْنِ حَمَّادٍ عَنْ أَبِي دَاوُدَ عَنْ زَيْدِ بْنِ أَرْقَمَ قَالَ قَالَ رَسُولُ الله (صَلَّى اللهُ عَلَيْهِ وآلِه) مَا فِي أُمَّتِي عَبْدٌ أَلْطَفَ أَخَاهُ فِي الله بِشَيْ‏ءٍ مِنْ لُطْفٍ إِلا أَخْدَمَهُ الله مِنْ خَدَمِ الْجَنَّةِ.
4. It is narrated from him (narrator of the Hadith above) from Ahmad ibn Muhammad from ibn Mahbub from Nasr ibn Ishaq from al-Harith ibn al-Nu’man from al-Haytham ibn Hammad from abu Dawud from Zayd ibn Arqam who has said the following: “The Messenger of Allah has said, ‘Whoever of my followers treats his brother (in belief) with gentleness for the sake of Allah, He will provide for him servants of paradise.’” 