Chapter on Water and Its Rules, and What is Permissible and Impermissible for Purification

The Shaykh (Al-Mufid), may Allah سبحانه وتعالى support him, narrated to me from Abu al-Qasim Ja'far ibn Muhammad, from his father, from Sa'd ibn Abdullah, from al-Hasan ibn Ali, from Ahmad ibn Hilal, from Ahmad ibn Muhammad ibn Abi Nasr, from Aban ibn Uthman, from Zurara, from one of the Imams عليه السلام, who said: Imam عليه السلام said: "The Prophet (peace and blessings be upon him and his family), when He صلى الله عليه وعلى آله وسلم performed Wudu' (ablution), the water that fell from his Wudu' would be collected, and people would use it to perform Wudu'."