Al-Kāfi

Hadith 2274
mosqueetiquette
2ـ عَنْهُ عَنْ أَبِيهِ عَنِ النَّوْفَلِيِّ عَنِ السَّكُونِيِّ عَنْ أَبِي عَبْدِ الله (عَلَيهِ السَّلام) قَالَ قَالَ رَسُولُ الله (صَلَّى اللهُ عَلَيْهِ وآلِه) الإحْتِبَاءُ فِي الْمَسْجِدِ حِيطَانُ الْعَرَبِ.
2. It is narrated from him (narrator of the Hadith above) from his father from al- Nawfali from al-Sakuni from Abu ‘Abdillah (a.s.) who has said the following: “The Messenger of Allah has said, ‘Sitting in the Mosque in al- ‘Ihtiba ’ posture (knees folded with thighs against the belly by a piece of cloth or by one’s arms) is the wall of Arabs.’”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī