Ibn Sirin محمد بن سيرين الأنصاري · The Book of Purification

"None of you should urinate into still water and then perform Wudu' with it."

"The Messenger of Allah (ﷺ) said: 'None of you should urinate in still water and perform Ghusl with it.'" Abu 'Abdur-Rahman (An-Nasa'i) said: "ya'qub would not narrate this Hadith except for a Dinar." Ya'qub bin Ibrahim Ad-Dawrqi, and the meaning is that he held the view that it is permissible to accept a payment for narrating, contrary to many others.

"We were with the Prophet (ﷺ) on a journey, and he tapped me on the back with a stick he had with him, then he turned off (route) and I turned off with him until he came to such and such an area. Then he made his camel stop and went away until he disappeared from me, then he came back and said: 'Do you have water with you?' I had a water skin with me, so I brought it…

"There are two things which I never asked anyone about after I saw the Messenger of Allah (ﷺ). He was with us on a journey and he went away to relieve himself, then he came and performed Wudu', and he wiped over his forehead and two sides of his 'Imamah, and he wiped over his Khuffs." He said: "And (the other issue) the Imam's Salah behind one of his followers. I saw the Messenger of Allah (ﷺ) when he was…

"When (a man) sits between the four parts of his wife's body and exerts himself, then Ghusl becomes obligatory." Abu 'Abdur-Rahman said: "This is a mistake what is correct is; 'Ash'ath from Al-Hasan, from Abu Hurairah.' An-Nadr bin Shumail, and others, reported the Hadith from Shu'bah just as Khalid reported it."