Chapter on Etiquettes of Causes Requiring Purification
Tahdhīb al-Aḥkām|Volume 1|Book 1|Chapter 3
وَ بِهَذَا اَلْإِسْنَادِ عَنْ سَعْدِ بْنِ عَبْدِ اَللَّهِ عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنْ أَبِيهِ وَ اَلْحُسَيْنِ بْنِ سَعِيدٍ عَنْ مُحَمَّدِ بْنِ أَبِي عُمَيْرٍ عَنْ عُمَرَ بْنِ أُذَيْنَةَ عَنْ زُرَارَةَ قَالَ: تَوَضَّأْتُ يَوْماً وَ لَمْ أَغْسِلْ ذَكَرِي ثُمَّ صَلَّيْتُ فَسَأَلْتُ أَبَا عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ عَنْ ذَلِكَ فَقَالَ« اِغْسِلْ ذَكَرَكَ وَ أَعِدْ صَلاَتَكَ».
And through this chain of narration, from Sa'd bin Abdullah, from Ahmad bin Muhammad, from his father, and Al-Husayn bin Sa'id, from Muhammad bin Abi Umayr, from Umar bin Udhaynah, from Zurara, who said:
(Narrator said) 'I performed wudu one day but did not wash my private part, and then I prayed. I asked Abu Abdullah عليه السلام about this, and Imam عليه السلام said: "Wash your private part and repeat your prayer."'
- Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 1, p. 50
- Ṣaḥīḥ al-Tahdhīb, p. 47