Chapter on the Description of Ablution and Its Obligations
Tahdhīb al-Aḥkām|Volume 1|Book 1|Chapter 16
أَحْمَدُ بْنُ مُحَمَّدٍ عَنْ عَلِيِّ بْنِ اَلْحَكَمِ عَنْ دَاوُدَ اَلْعِجْلِيِّ مَوْلَى أَبِي اَلْمِعْزَى عَنْ أَبِي بَصِيرٍ قَالَ قَالَ أَبُو عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ:« يَا أَبَا مُحَمَّدٍ مَنْ تَوَضَّأَ فَذَكَرَ اِسْمَ اَللَّهِ تَعَالَى طَهُرَ جَمِيعُ جَسَدِهِ وَ مَنْ لَمْ يُسَمِّ لَمْ يَطْهُرْ مِنْ جَسَدِهِ إِلاَّ مَا أَصَابَهُ اَلْمَاءُ».
Ahmad ibn Muhammad narrated from Ali ibn al-Hakam, from Dawud al-‘Ijli, the servant of Abu al-Mi’za, from Abu Basir, who said:
Abu Abdullah عليه السلام, said: "O Abu Muhammad, whoever performs ablution and mentions the name of Allah سبحانه وتعالى, the Exalted, his entire body becomes purified. But whoever does not mention the name of Allah سبحانه وتعالى, only the parts of his body that are touched by water will be purified."
- Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 1, p. 381
- Ṣaḥīḥ al-Tahdhīb, p. 59