11. Muhammad ibn Yahya has narrated from Salmah ibn al-Khattab from Ibrahim ibn Maymun from ‘Isa ibn ‘Abd Allah from his grandfather who has said the following: “’Amir al-Mu’minin , has said, that the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause, has said,

‘The house of Satans in your houses are the spider webs.’”