Ka'b b. ‘Ujra said he entered the mosque when ‘Abd ar-Rahman b. Umm al-Hakam was sitting while he preached, and said:Look at this scoundrel who is sitting while he preaches, though God most high has said,“But when they see merchandise or diversion they disperse to it and leave you standing”(Al-Qur’an; 62:11). Muslim transmitted it.