No. ٦٥vol. 1 · page 33
faqih-64وَ رُوِيَ أَنَّ أَبَا الْحَسَنِ الرِّضَا ع- كَانَ يَسْتَيْقِظُ مِنْ نَوْمِهِ فَيَتَوَضَّأُ وَ لَا يَسْتَنْجِي وَ قَالَ كَالْمُتَعَجِّبِ مِنْ رَجُلٍ سَمَّاهُ بَلَغَنِي أَنَّهُ إِذَا خَرَجَتْ مِنْهُ رِيحٌ اسْتَنْجَى.
Read English translationHide English translationBab Ul Qaim Publications — attributed by Thaqalayn
Hadith.65 - It was narrated that Abu Al-Hasan Imam Ali ibn Musa Ar-Ridha (as) would awaken from his sleep, perform ablution, and not perform istinja. He expressed astonishment at a man whom he referred to, saying, "I have heard that when he passes gas, he performs istinja."
Translation: Bab Ul Qaim Publications — attributed by Thaqalayn·The Arabic above is the original.