Chapter on Rules of Janabah and Methods of Purification
Tahdhīb al-Aḥkām|Volume 1|Book 1|Chapter 6
وَ فِي حَدِيثٍ آخَرَ:« اَللَّهُمَّ اِجْعَلْنِي مِنَ اَلتَّوَّابِينَ وَ اِجْعَلْنِي مِنَ اَلْمُتَطَهِّرِينَ».
In another narration, it is mentioned: Imam عليه السلام said: "O Allah سبحانه وتعالى, make me among those who repent often, and make me among those who purify themselves."
- Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 1, p. 153
- Ṣaḥīḥ al-Tahdhīb