Chapter on Etiquettes of Causes Requiring Purification
Tahdhīb al-Aḥkām|Volume 1|Book 1|Chapter 3
وَ بِهَذَا اَلْإِسْنَادِ عَنْ مُحَمَّدِ بْنِ عَلِيِّ بْنِ مَحْبُوبٍ عَنْ مُحَمَّدِ بْنِ اَلْحُسَيْنِ عَنْ مُحَمَّدِ بْنِ حَمَّادِ بْنِ زَيْدٍ عَنْ عَبْدِ اَللَّهِ بْنِ يَحْيَى اَلْكَاهِلِيِّ عَنْ أَبِي عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ قَالَ قَالَ رَسُولُ اَللَّهِ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ:« لاَ يَبُولَنَّ أَحَدُكُمْ وَ فَرْجُهُ بَادٍ لِلْقَمَرِ يَسْتَقْبِلُ بِهِ».
And through this chain of narration, from Muhammad bin Ali bin Mahbub, from Muhammad bin Al-Husayn, from Muhammad bin Hammad bin Zayd, from Abdullah bin Yahya Al-Kahili, from Abu Abdullah عليه السلام, who said:
Imam عليه السلام said: The Messenger of Allah سبحانه وتعالى (may Allah سبحانه وتعالى bless him and his family) said: 'None of you should urinate while their private parts are exposed to the moon, facing it.'
- Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 1, p. 37
- Ṣaḥīḥ al-Tahdhīb