Sahih al-Bukhari 154
Book 4: Ablutions (Wudu') · Narrated by Abu Qatada
Arabic
حَدَّثَنَا مُحَمَّدُ بْنُ يُوسُفَ، قَالَ حَدَّثَنَا الأَوْزَاعِيُّ، عَنْ يَحْيَى بْنِ أَبِي كَثِيرٍ، عَنْ عَبْدِ اللَّهِ بْنِ أَبِي قَتَادَةَ، عَنْ أَبِيهِ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " إِذَا بَالَ أَحَدُكُمْ فَلاَ يَأْخُذَنَّ ذَكَرَهُ بِيَمِينِهِ، وَلاَ يَسْتَنْجِي بِيَمِينِهِ، وَلاَ يَتَنَفَّسْ فِي الإِنَاءِ ".
English translation
Narrated Abu Qatada:The Prophet (ﷺ) said, "Whenever anyone of you makes water he should not hold his penis or clean his private parts with his right hand. (And while drinking) one should not breathe in the drinking utensil
Reference: Sahih al-Bukhari 154, Book of Ablutions (Wudu'). English translation by Dr. Muhammad Muhsin Khan.