5. Al-Husayn ibn Muhammad has narrated from Mu‘alla’ ibn Muhammad from al-Washsha’ from Aban ibn ‘Uthman from abu Maryam who has said the following: “I once said to abu ‘Abd Allah , ‘What do you say about the urine of animals and their dung?’ He (the Imam) said, ‘Because of their urine you must wash and their dung is more than that.’”