Al-Kāfi

Hadith 645
funeral-procession
6ـ أَبُو عَلِيٍّ الأشْعَرِيُّ عَنْ مُحَمَّدِ بْنِ عَبْدِ الْجَبَّارِ عَنِ الْحَجَّالِ عَنْ عَلِيِّ بْنِ شَجَرَةَ عَنْ أَبِي الْوَفَاءِ الْمُرَادِيِّ عَنْ سَدِيرٍ عَنْ أَبِي جَعْفَرٍ (عَلَيْهِ الْسَّلام) قَالَ مَنْ أَحَبَّ أَنْ يَمْشِيَ مَمْشَى الْكِرَامِ الْكَاتِبِينَ فَلْيَمْشِ بِجَنْبَيِ السَّرِيرِ.
6. Abu Ali al-Ash’ariy has narrated from Muhammad ibn ‘Abd al-Jabbar from al-Hajjal from Ali ibn Shajarah from abu al-Wafa’ al- Muradiy from Sadir who has said the following: “Abu Ja‘far (a.s.), has said, ‘If one wants to walk (in a funeral procession) like the honorable angels, then walk on either side of the coffin.’”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī