٤ـ عَنْهُ عَنْ بَكْرِ بْنِ صَالِحٍ عَنِ الْحَسَنِ بْنِ عَلِيٍّ عَنْ عَبْدِ الله بْنِ إِبْرَاهِيمَ عَنْ عَلِيِّ بْنِ أَبِي عَلِيٍّ عَنْ أَبِي عَبْدِ الله عَنْ أَبِيهِ عَنْ عَلِيِّ بْنِ الْحُسَيْنِ (صَلَّى اللهُ عَلَيْهِ وآلِه) قَالَ قَالَ رَسُولُ الله (صَلَّى اللهُ عَلَيْهِ وآلِه) إِنَّ أَحَبَّ الأعْمَالِ إِلَى الله عَزَّ وَجَلَّ إِدْخَالُ السُّرُورِ عَلَى الْمُؤْمِنِينَ.
4. It is narrated from him (narrator of the Hadith above) from Bakr ibn Salih from al-Hassan ibn Ali from ‘Abd Allah ibn Ibrahim from Ali ibn abu Ali from abu ‘Abd Allah from his father from Ali ibn al-Husayn  who has said the following: ‘‘The Messenger of Allah has said, ‘Of the most beloved deed to Allah, the Most Majestic, the Most Holy, is bringing joy to the heart of the believer.’” 