Muhammad bin Mansur bin Da'ud محمد بن منصور بن داود الطوسي · The Book of the Qiblah

The messenger of Allah(ﷺ) said: "When anyone of you stands to pray, then he is screened if he has in front of him something as high as the back of a camel saddle. If he does not have something as high as the back of a camel saddle in front of him, then his prayer is nullified by a woman, a donkey or a black dog." I (one of the narrators)said: "What is the difference between a black dog, a…

"When my people came back from the Prophet (ﷺ)they said that he had said: 'Let the one who recites the Quran most lead you in prayer.' So they called me and taught me how to bow and prostrate, and I used to lead them in prayer, wearing a torn cloak, and they used to say to my father: 'Will you not conceal your son's backside from us?"'