109 - Yahya ibn Abd al-Hamid narrated to us, saying: Abd al-Rahman ibn Zayd ibn Aslam narrated to us, from his father, from 'Ata' ibn Yasar, from Abu Sa'id al-Khudri—may Allah be pleased with him—, who said: The Prophet, may Allah bless him and grant him peace, was asked about cisterns between Makkah and Medina that are drunk from by donkeys and beasts of prey; what is their status regarding purification? The Prophet, may Allah bless him and grant him peace, said: "They have what they have carried in their bellies, and what remains is pure."

• I heard a man ask Ahmad—may Allah have mercy on him—, saying: We performed ablution on the road of the desert from a well, and there was a dead chicken in it? He said: "How much water was there?" He replied: A lot. He said: "I hope there is no harm in it."

• I asked Ishaq about a well containing a large amount of water, in which a mouse fell, died, decomposed, and the taste and odor of the water changed? He said: "Do not perform ablution with it, and the same applies to other water."

• I asked Ishaq—another time—about a well into which wine had poured, and it contained more than two qullat of water? He said: "If it happened to be in it without intent, if the water could bear it and did not change, then there is no harm."

110 - Ahmad ibn al-Azhar narrated to us, saying: al-Walid ibn Muslim narrated to us, saying: al-Awza'i was asked about stagnant water? He said: al-Zuhri narrated to me that if it is in such a quantity that if a dead animal falls into it, it does not change its taste or odor, then there is no harm.

111 - Ahmad ibn Nasr narrated to us, saying: Hibban ibn Musa narrated to us, saying: 'Abdullah was asked about a small amount of flowing water that is urinated into, and then flows until it gathers in a small depression? He saw no harm in scooping from it and performing ablution, but he disliked that one should perform ablution—even if the water were flowing and abundant—if one saw urine in the river, even if it did not change."