(Second chain) It is narrated from Sayyiduna Ali (may Allah be pleased with him), he says: I used to visit the Noble Prophet (peace and blessings be upon him) twice a day, day and night. Whenever I entered upon him and he was praying, he would clear his throat. One night I came to him and he said: Do you know that an angel has brought a new command? Then he (peace and blessings be upon him) said: I was praying when I heard some movement in the house. When I went outside, it was Jibreel (peace be upon him). He said: I was waiting for you this night, but there was a dog in your house, so I could not enter. We do not enter a house in which there is a dog, a person in a state of major impurity (junub), or a picture.